Finding the Fourth Proportional to 82,131.20, 113,340.96 and 44,405.36

Step by Step Solution

1. Step 1: Write the proportion equation
   82,131.20 : 113,340.96 = 44,405.36 : x
2. Step 2: Convert to fraction form
   82,131.20/113,340.96 = 44,405.36/x
3. Step 3: Cross multiply
   82,131.20x = 113,340.96 × 44,405.36
4. Step 4: Simplify right side
   82,131.20x = 5,032,946,131.55
5. Step 5: Solve for x
   x = 5,032,946,131.55/82,131.20
6. Step 6: Final answer
   x = 61,279.34