Finding the Fourth Proportional to 2,549,208.16, 3,517,951.98 and 1,387,687.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549,208.16 : 3,517,951.98 = 1,387,687.72 : x
2. Step 2: Convert to fraction form
   2,549,208.16/3,517,951.98 = 1,387,687.72/x
3. Step 3: Cross multiply
   2,549,208.16x = 3,517,951.98 × 1,387,687.72
4. Step 4: Simplify right side
   2,549,208.16x = 4,881,818,762,195.69
5. Step 5: Solve for x
   x = 4,881,818,762,195.69/2,549,208.16
6. Step 6: Final answer
   x = 1,915,033.40