Finding the Fourth Proportional to 3,984,078.50, 5,976,095.60 and 3,442,688.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984,078.50 : 5,976,095.60 = 3,442,688.55 : x
2. Step 2: Convert to fraction form
   3,984,078.50/5,976,095.60 = 3,442,688.55/x
3. Step 3: Cross multiply
   3,984,078.50x = 5,976,095.60 × 3,442,688.55
4. Step 4: Simplify right side
   3,984,078.50x = 20,573,835,904,432.10
5. Step 5: Solve for x
   x = 20,573,835,904,432.10/3,984,078.50
6. Step 6: Final answer
   x = 5,164,013.69