Finding the Fourth Proportional to 82,139.36, 123,405.86 and 52,614.86

Step by Step Solution

1. Step 1: Write the proportion equation
   82,139.36 : 123,405.86 = 52,614.86 : x
2. Step 2: Convert to fraction form
   82,139.36/123,405.86 = 52,614.86/x
3. Step 3: Cross multiply
   82,139.36x = 123,405.86 × 52,614.86
4. Step 4: Simplify right side
   82,139.36x = 6,492,981,265.63
5. Step 5: Solve for x
   x = 6,492,981,265.63/82,139.36
6. Step 6: Final answer
   x = 79,048.36