Finding the Fourth Proportional to 82,404.24, 123,300.16 and 49,142.40

Step by Step Solution

1. Step 1: Write the proportion equation
   82,404.24 : 123,300.16 = 49,142.40 : x
2. Step 2: Convert to fraction form
   82,404.24/123,300.16 = 49,142.40/x
3. Step 3: Cross multiply
   82,404.24x = 123,300.16 × 49,142.40
4. Step 4: Simplify right side
   82,404.24x = 6,059,265,782.78
5. Step 5: Solve for x
   x = 6,059,265,782.78/82,404.24
6. Step 6: Final answer
   x = 73,531.00