Finding the Fourth Proportional to 2,408,280.96, 3,614,587.20 and 1,287,308.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,408,280.96 : 3,614,587.20 = 1,287,308.16 : x
2. Step 2: Convert to fraction form
   2,408,280.96/3,614,587.20 = 1,287,308.16/x
3. Step 3: Cross multiply
   2,408,280.96x = 3,614,587.20 × 1,287,308.16
4. Step 4: Simplify right side
   2,408,280.96x = 4,653,087,597,591.55
5. Step 5: Solve for x
   x = 4,653,087,597,591.55/2,408,280.96
6. Step 6: Final answer
   x = 1,932,119.91