Finding the Fourth Proportional to 82,451.50, 113,785.86 and 48,459.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,451.50 : 113,785.86 = 48,459.50 : x
2. Step 2: Convert to fraction form
   82,451.50/113,785.86 = 48,459.50/x
3. Step 3: Cross multiply
   82,451.50x = 113,785.86 × 48,459.50
4. Step 4: Simplify right side
   82,451.50x = 5,514,005,882.67
5. Step 5: Solve for x
   x = 5,514,005,882.67/82,451.50
6. Step 6: Final answer
   x = 66,875.75