Finding the Fourth Proportional to 1,248,686.88, 1,723,187.89 and 675,731.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,686.88 : 1,723,187.89 = 675,731.15 : x
2. Step 2: Convert to fraction form
   1,248,686.88/1,723,187.89 = 675,731.15/x
3. Step 3: Cross multiply
   1,248,686.88x = 1,723,187.89 × 675,731.15
4. Step 4: Simplify right side
   1,248,686.88x = 1,164,411,734,575.77
5. Step 5: Solve for x
   x = 1,164,411,734,575.77/1,248,686.88
6. Step 6: Final answer
   x = 932,508.98