Finding the Fourth Proportional to 2,272,400.80, 3,135,978.72 and 1,253,871.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272,400.80 : 3,135,978.72 = 1,253,871.16 : x
2. Step 2: Convert to fraction form
   2,272,400.80/3,135,978.72 = 1,253,871.16/x
3. Step 3: Cross multiply
   2,272,400.80x = 3,135,978.72 × 1,253,871.16
4. Step 4: Simplify right side
   2,272,400.80x = 3,932,113,275,381.72
5. Step 5: Solve for x
   x = 3,932,113,275,381.72/2,272,400.80
6. Step 6: Final answer
   x = 1,730,378.41