Finding the Fourth Proportional to 2,525,387.52, 3,788,640.96 and 728,130.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525,387.52 : 3,788,640.96 = 728,130.72 : x
2. Step 2: Convert to fraction form
   2,525,387.52/3,788,640.96 = 728,130.72/x
3. Step 3: Cross multiply
   2,525,387.52x = 3,788,640.96 × 728,130.72
4. Step 4: Simplify right side
   2,525,387.52x = 2,758,625,870,026.29
5. Step 5: Solve for x
   x = 2,758,625,870,026.29/2,525,387.52
6. Step 6: Final answer
   x = 1,092,357.45