Finding the Fourth Proportional to 82,508.68, 113,869.34 and 48,500.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,508.68 : 113,869.34 = 48,500.12 : x
2. Step 2: Convert to fraction form
   82,508.68/113,869.34 = 48,500.12/x
3. Step 3: Cross multiply
   82,508.68x = 113,869.34 × 48,500.12
4. Step 4: Simplify right side
   82,508.68x = 5,522,676,654.32
5. Step 5: Solve for x
   x = 5,522,676,654.32/82,508.68
6. Step 6: Final answer
   x = 66,934.49