Finding the Fourth Proportional to 2,542,390.72, 3,813,618.16 and 745,310.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,542,390.72 : 3,813,618.16 = 745,310.28 : x
2. Step 2: Convert to fraction form
   2,542,390.72/3,813,618.16 = 745,310.28/x
3. Step 3: Cross multiply
   2,542,390.72x = 3,813,618.16 × 745,310.28
4. Step 4: Simplify right side
   2,542,390.72x = 2,842,328,818,642.69
5. Step 5: Solve for x
   x = 2,842,328,818,642.69/2,542,390.72
6. Step 6: Final answer
   x = 1,117,974.82