Finding the Fourth Proportional to 1,253,061.72, 1,729,226.88 and 680,101.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253,061.72 : 1,729,226.88 = 680,101.92 : x
2. Step 2: Convert to fraction form
   1,253,061.72/1,729,226.88 = 680,101.92/x
3. Step 3: Cross multiply
   1,253,061.72x = 1,729,226.88 × 680,101.92
4. Step 4: Simplify right side
   1,253,061.72x = 1,176,050,521,203.61
5. Step 5: Solve for x
   x = 1,176,050,521,203.61/1,253,061.72
6. Step 6: Final answer
   x = 938,541.58