Finding the Fourth Proportional to 914,807.91, 1,262,462.61 and 506,871.60

Step by Step Solution

1. Step 1: Write the proportion equation
   914,807.91 : 1,262,462.61 = 506,871.60 : x
2. Step 2: Convert to fraction form
   914,807.91/1,262,462.61 = 506,871.60/x
3. Step 3: Cross multiply
   914,807.91x = 1,262,462.61 × 506,871.60
4. Step 4: Simplify right side
   914,807.91x = 639,906,443,070.88
5. Step 5: Solve for x
   x = 639,906,443,070.88/914,807.91
6. Step 6: Final answer
   x = 699,498.15