Finding the Fourth Proportional to 838,431.42, 1,156,661.55 and 566,411.82

Step by Step Solution

1. Step 1: Write the proportion equation
   838,431.42 : 1,156,661.55 = 566,411.82 : x
2. Step 2: Convert to fraction form
   838,431.42/1,156,661.55 = 566,411.82/x
3. Step 3: Cross multiply
   838,431.42x = 1,156,661.55 × 566,411.82
4. Step 4: Simplify right side
   838,431.42x = 655,146,773,659.52
5. Step 5: Solve for x
   x = 655,146,773,659.52/838,431.42
6. Step 6: Final answer
   x = 781,395.78