Finding the Fourth Proportional to 82,128.04, 123,294.12 and 57,325.84

Step by Step Solution

1. Step 1: Write the proportion equation
   82,128.04 : 123,294.12 = 57,325.84 : x
2. Step 2: Convert to fraction form
   82,128.04/123,294.12 = 57,325.84/x
3. Step 3: Cross multiply
   82,128.04x = 123,294.12 × 57,325.84
4. Step 4: Simplify right side
   82,128.04x = 7,067,938,996.06
5. Step 5: Solve for x
   x = 7,067,938,996.06/82,128.04
6. Step 6: Final answer
   x = 86,060.00