Finding the Fourth Proportional to 82,128.30, 113,337.18 and 44,402.55

Step by Step Solution

1. Step 1: Write the proportion equation
   82,128.30 : 113,337.18 = 44,402.55 : x
2. Step 2: Convert to fraction form
   82,128.30/113,337.18 = 44,402.55/x
3. Step 3: Cross multiply
   82,128.30x = 113,337.18 × 44,402.55
4. Step 4: Simplify right side
   82,128.30x = 5,032,459,801.81
5. Step 5: Solve for x
   x = 5,032,459,801.81/82,128.30
6. Step 6: Final answer
   x = 61,275.59