Finding the Fourth Proportional to 82,128.39, 113,336.94 and 44,402.64

Step by Step Solution

1. Step 1: Write the proportion equation
   82,128.39 : 113,336.94 = 44,402.64 : x
2. Step 2: Convert to fraction form
   82,128.39/113,336.94 = 44,402.64/x
3. Step 3: Cross multiply
   82,128.39x = 113,336.94 × 44,402.64
4. Step 4: Simplify right side
   82,128.39x = 5,032,459,345.52
5. Step 5: Solve for x
   x = 5,032,459,345.52/82,128.39
6. Step 6: Final answer
   x = 61,275.51