Finding the Fourth Proportional to 82,249.11, 123,232.41 and 55,536.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,249.11 : 123,232.41 = 55,536.72 : x
2. Step 2: Convert to fraction form
   82,249.11/123,232.41 = 55,536.72/x
3. Step 3: Cross multiply
   82,249.11x = 123,232.41 × 55,536.72
4. Step 4: Simplify right side
   82,249.11x = 6,843,923,849.10
5. Step 5: Solve for x
   x = 6,843,923,849.10/82,249.11
6. Step 6: Final answer
   x = 83,209.70