Finding the Fourth Proportional to 82,452.96, 123,519.60 and 64,836

Step by Step Solution

1. Step 1: Write the proportion equation
   82,452.96 : 123,519.60 = 64,836 : x
2. Step 2: Convert to fraction form
   82,452.96/123,519.60 = 64,836/x
3. Step 3: Cross multiply
   82,452.96x = 123,519.60 × 64,836
4. Step 4: Simplify right side
   82,452.96x = 8,008,516,785.60
5. Step 5: Solve for x
   x = 8,008,516,785.60/82,452.96
6. Step 6: Final answer
   x = 97,128.31