Finding the Fourth Proportional to 2,856,632.38, 4,284,973.68 and 726,718.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856,632.38 : 4,284,973.68 = 726,718.78 : x
2. Step 2: Convert to fraction form
   2,856,632.38/4,284,973.68 = 726,718.78/x
3. Step 3: Cross multiply
   2,856,632.38x = 4,284,973.68 × 726,718.78
4. Step 4: Simplify right side
   2,856,632.38x = 3,113,970,845,061.71
5. Step 5: Solve for x
   x = 3,113,970,845,061.71/2,856,632.38
6. Step 6: Final answer
   x = 1,090,084.56