Finding the Fourth Proportional to 82,305.72, 123,439.41 and 23,147.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,305.72 : 123,439.41 = 23,147.10 : x
2. Step 2: Convert to fraction form
   82,305.72/123,439.41 = 23,147.10/x
3. Step 3: Cross multiply
   82,305.72x = 123,439.41 × 23,147.10
4. Step 4: Simplify right side
   82,305.72x = 2,857,264,367.21
5. Step 5: Solve for x
   x = 2,857,264,367.21/82,305.72
6. Step 6: Final answer
   x = 34,715.26