Finding the Fourth Proportional to 914,807.31, 1,262,461.76 and 506,870.98

Step by Step Solution

1. Step 1: Write the proportion equation
   914,807.31 : 1,262,461.76 = 506,870.98 : x
2. Step 2: Convert to fraction form
   914,807.31/1,262,461.76 = 506,870.98/x
3. Step 3: Cross multiply
   914,807.31x = 1,262,461.76 × 506,870.98
4. Step 4: Simplify right side
   914,807.31x = 639,905,229,503.73
5. Step 5: Solve for x
   x = 639,905,229,503.73/914,807.31
6. Step 6: Final answer
   x = 699,497.28