Finding the Fourth Proportional to 82,887.10, 124,367.40 and 43,434.83

Step by Step Solution

1. Step 1: Write the proportion equation
   82,887.10 : 124,367.40 = 43,434.83 : x
2. Step 2: Convert to fraction form
   82,887.10/124,367.40 = 43,434.83/x
3. Step 3: Cross multiply
   82,887.10x = 124,367.40 × 43,434.83
4. Step 4: Simplify right side
   82,887.10x = 5,401,877,187.46
5. Step 5: Solve for x
   x = 5,401,877,187.46/82,887.10
6. Step 6: Final answer
   x = 65,171.51