Finding the Fourth Proportional to 1,280,139.24, 1,766,645.82 and 736,275.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,280,139.24 : 1,766,645.82 = 736,275.18 : x
2. Step 2: Convert to fraction form
   1,280,139.24/1,766,645.82 = 736,275.18/x
3. Step 3: Cross multiply
   1,280,139.24x = 1,766,645.82 × 736,275.18
4. Step 4: Simplify right side
   1,280,139.24x = 1,300,737,469,116.75
5. Step 5: Solve for x
   x = 1,300,737,469,116.75/1,280,139.24
6. Step 6: Final answer
   x = 1,016,090.62