Finding the Fourth Proportional to 914,517.47, 1,262,020.82 and 506,618.61

Step by Step Solution

1. Step 1: Write the proportion equation
   914,517.47 : 1,262,020.82 = 506,618.61 : x
2. Step 2: Convert to fraction form
   914,517.47/1,262,020.82 = 506,618.61/x
3. Step 3: Cross multiply
   914,517.47x = 1,262,020.82 × 506,618.61
4. Step 4: Simplify right side
   914,517.47x = 639,363,231,086.37
5. Step 5: Solve for x
   x = 639,363,231,086.37/914,517.47
6. Step 6: Final answer
   x = 699,126.32