Finding the Fourth Proportional to 1,258,964.53, 1,737,316.72 and 715,098.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258,964.53 : 1,737,316.72 = 715,098.62 : x
2. Step 2: Convert to fraction form
   1,258,964.53/1,737,316.72 = 715,098.62/x
3. Step 3: Cross multiply
   1,258,964.53x = 1,737,316.72 × 715,098.62
4. Step 4: Simplify right side
   1,258,964.53x = 1,242,352,785,399.43
5. Step 5: Solve for x
   x = 1,242,352,785,399.43/1,258,964.53
6. Step 6: Final answer
   x = 986,805.24