Finding the Fourth Proportional to 82,507.68, 113,867.96 and 48,499.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,507.68 : 113,867.96 = 48,499.12 : x
2. Step 2: Convert to fraction form
   82,507.68/113,867.96 = 48,499.12/x
3. Step 3: Cross multiply
   82,507.68x = 113,867.96 × 48,499.12
4. Step 4: Simplify right side
   82,507.68x = 5,522,495,856.20
5. Step 5: Solve for x
   x = 5,522,495,856.20/82,507.68
6. Step 6: Final answer
   x = 66,933.11