Finding the Fourth Proportional to 85,608, 118,139.50 and 47,882.24

Step by Step Solution

1. Step 1: Write the proportion equation
   85,608 : 118,139.50 = 47,882.24 : x
2. Step 2: Convert to fraction form
   85,608/118,139.50 = 47,882.24/x
3. Step 3: Cross multiply
   85,608x = 118,139.50 × 47,882.24
4. Step 4: Simplify right side
   85,608x = 5,656,783,892.48
5. Step 5: Solve for x
   x = 5,656,783,892.48/85,608
6. Step 6: Final answer
   x = 66,077.75