Finding the Fourth Proportional to 85,142.49, 117,496.62 and 49,353.27

Step by Step Solution

1. Step 1: Write the proportion equation
   85,142.49 : 117,496.62 = 49,353.27 : x
2. Step 2: Convert to fraction form
   85,142.49/117,496.62 = 49,353.27/x
3. Step 3: Cross multiply
   85,142.49x = 117,496.62 × 49,353.27
4. Step 4: Simplify right side
   85,142.49x = 5,798,842,410.95
5. Step 5: Solve for x
   x = 5,798,842,410.95/85,142.49
6. Step 6: Final answer
   x = 68,107.50