Finding the Fourth Proportional to 1,042,820.50, 1,439,092.29 and 565,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042,820.50 : 1,439,092.29 = 565,892.50 : x
2. Step 2: Convert to fraction form
   1,042,820.50/1,439,092.29 = 565,892.50/x
3. Step 3: Cross multiply
   1,042,820.50x = 1,439,092.29 × 565,892.50
4. Step 4: Simplify right side
   1,042,820.50x = 814,371,533,718.83
5. Step 5: Solve for x
   x = 814,371,533,718.83/1,042,820.50
6. Step 6: Final answer
   x = 780,931.65