Finding the Fourth Proportional to 67,494.86, 93,143.89 and 39,200.55

Step by Step Solution

1. Step 1: Write the proportion equation
   67,494.86 : 93,143.89 = 39,200.55 : x
2. Step 2: Convert to fraction form
   67,494.86/93,143.89 = 39,200.55/x
3. Step 3: Cross multiply
   67,494.86x = 93,143.89 × 39,200.55
4. Step 4: Simplify right side
   67,494.86x = 3,651,291,717.14
5. Step 5: Solve for x
   x = 3,651,291,717.14/67,494.86
6. Step 6: Final answer
   x = 54,097.33