Finding the Fourth Proportional to 729,835,085.34, 1,007,164,399.59 and 395,299,285.02

Step by Step Solution

1. Step 1: Write the proportion equation
   729,835,085.34 : 1,007,164,399.59 = 395,299,285.02 : x
2. Step 2: Convert to fraction form
   729,835,085.34/1,007,164,399.59 = 395,299,285.02/x
3. Step 3: Cross multiply
   729,835,085.34x = 1,007,164,399.59 × 395,299,285.02
4. Step 4: Simplify right side
   729,835,085.34x = 398,131,367,055,524,544
5. Step 5: Solve for x
   x = 398,131,367,055,524,544/729,835,085.34
6. Step 6: Final answer
   x = 545,508,670.46