Finding the Fourth Proportional to 82,128, 113,336.64 and 44,402.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82,128 : 113,336.64 = 44,402.25 : x
2. Step 2: Convert to fraction form
   82,128/113,336.64 = 44,402.25/x
3. Step 3: Cross multiply
   82,128x = 113,336.64 × 44,402.25
4. Step 4: Simplify right side
   82,128x = 5,032,401,823.44
5. Step 5: Solve for x
   x = 5,032,401,823.44/82,128
6. Step 6: Final answer
   x = 61,275.11