Finding the Fourth Proportional to 2,549,158.72, 3,517,939.20 and 1,403,345.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549,158.72 : 3,517,939.20 = 1,403,345.60 : x
2. Step 2: Convert to fraction form
   2,549,158.72/3,517,939.20 = 1,403,345.60/x
3. Step 3: Cross multiply
   2,549,158.72x = 3,517,939.20 × 1,403,345.60
4. Step 4: Simplify right side
   2,549,158.72x = 4,936,884,497,387.52
5. Step 5: Solve for x
   x = 4,936,884,497,387.52/2,549,158.72
6. Step 6: Final answer
   x = 1,936,672.07