Finding the Fourth Proportional to 82,103.47, 122,959.71 and 52,429.39

Step by Step Solution

1. Step 1: Write the proportion equation
   82,103.47 : 122,959.71 = 52,429.39 : x
2. Step 2: Convert to fraction form
   82,103.47/122,959.71 = 52,429.39/x
3. Step 3: Cross multiply
   82,103.47x = 122,959.71 × 52,429.39
4. Step 4: Simplify right side
   82,103.47x = 6,446,702,589.88
5. Step 5: Solve for x
   x = 6,446,702,589.88/82,103.47
6. Step 6: Final answer
   x = 78,519.25