Finding the Fourth Proportional to 835,404,566,640.51, 1,253,105,284,719.50 and 261,764,593,976.01

Step by Step Solution

1. Step 1: Write the proportion equation
   835,404,566,640.51 : 1,253,105,284,719.50 = 261,764,593,976.01 : x
2. Step 2: Convert to fraction form
   835,404,566,640.51/1,253,105,284,719.50 = 261,764,593,976.01/x
3. Step 3: Cross multiply
   835,404,566,640.51x = 1,253,105,284,719.50 × 261,764,593,976.01
4. Step 4: Simplify right side
   835,404,566,640.51x = 328,018,596,063,792,341,188,608
5. Step 5: Solve for x
   x = 328,018,596,063,792,341,188,608/835,404,566,640.51
6. Step 6: Final answer
   x = 392,646,400,513.33