Finding the Fourth Proportional to 82,452.96, 123,610.19 and 57,419.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,452.96 : 123,610.19 = 57,419.10 : x
2. Step 2: Convert to fraction form
   82,452.96/123,610.19 = 57,419.10/x
3. Step 3: Cross multiply
   82,452.96x = 123,610.19 × 57,419.10
4. Step 4: Simplify right side
   82,452.96x = 7,097,585,573.53
5. Step 5: Solve for x
   x = 7,097,585,573.53/82,452.96
6. Step 6: Final answer
   x = 86,080.42