Finding the Fourth Proportional to 82,808.76, 124,057.62 and 64,250.04

Step by Step Solution

1. Step 1: Write the proportion equation
   82,808.76 : 124,057.62 = 64,250.04 : x
2. Step 2: Convert to fraction form
   82,808.76/124,057.62 = 64,250.04/x
3. Step 3: Cross multiply
   82,808.76x = 124,057.62 × 64,250.04
4. Step 4: Simplify right side
   82,808.76x = 7,970,707,047.30
5. Step 5: Solve for x
   x = 7,970,707,047.30/82,808.76
6. Step 6: Final answer
   x = 96,254.39