Finding the Fourth Proportional to 67,464.90, 93,086.01 and 39,153.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,464.90 : 93,086.01 = 39,153.78 : x
2. Step 2: Convert to fraction form
   67,464.90/93,086.01 = 39,153.78/x
3. Step 3: Cross multiply
   67,464.90x = 93,086.01 × 39,153.78
4. Step 4: Simplify right side
   67,464.90x = 3,644,669,156.62
5. Step 5: Solve for x
   x = 3,644,669,156.62/67,464.90
6. Step 6: Final answer
   x = 54,023.19