Finding the Fourth Proportional to 1,253,061.48, 1,729,226.49 and 680,101.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253,061.48 : 1,729,226.49 = 680,101.72 : x
2. Step 2: Convert to fraction form
   1,253,061.48/1,729,226.49 = 680,101.72/x
3. Step 3: Cross multiply
   1,253,061.48x = 1,729,226.49 × 680,101.72
4. Step 4: Simplify right side
   1,253,061.48x = 1,176,049,910,118.56
5. Step 5: Solve for x
   x = 1,176,049,910,118.56/1,253,061.48
6. Step 6: Final answer
   x = 938,541.27