Finding the Fourth Proportional to 81,373.12, 112,308.20 and 48,665.39

Step by Step Solution

1. Step 1: Write the proportion equation
   81,373.12 : 112,308.20 = 48,665.39 : x
2. Step 2: Convert to fraction form
   81,373.12/112,308.20 = 48,665.39/x
3. Step 3: Cross multiply
   81,373.12x = 112,308.20 × 48,665.39
4. Step 4: Simplify right side
   81,373.12x = 5,465,521,548.33
5. Step 5: Solve for x
   x = 5,465,521,548.33/81,373.12
6. Step 6: Final answer
   x = 67,166.18