Finding the Fourth Proportional to 82,128.57, 113,337.69 and 44,403.09

Step by Step Solution

1. Step 1: Write the proportion equation
   82,128.57 : 113,337.69 = 44,403.09 : x
2. Step 2: Convert to fraction form
   82,128.57/113,337.69 = 44,403.09/x
3. Step 3: Cross multiply
   82,128.57x = 113,337.69 × 44,403.09
4. Step 4: Simplify right side
   82,128.57x = 5,032,543,649.46
5. Step 5: Solve for x
   x = 5,032,543,649.46/82,128.57
6. Step 6: Final answer
   x = 61,276.41