Finding the Fourth Proportional to 2,499,561, 3,749,980.86 and 726,633

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,561 : 3,749,980.86 = 726,633 : x
2. Step 2: Convert to fraction form
   2,499,561/3,749,980.86 = 726,633/x
3. Step 3: Cross multiply
   2,499,561x = 3,749,980.86 × 726,633
4. Step 4: Simplify right side
   2,499,561x = 2,724,859,842,244.38
5. Step 5: Solve for x
   x = 2,724,859,842,244.38/2,499,561
6. Step 6: Final answer
   x = 1,090,135.36