Finding the Fourth Proportional to 82,438.72, 113,765.76 and 44,713.60

Step by Step Solution

1. Step 1: Write the proportion equation
   82,438.72 : 113,765.76 = 44,713.60 : x
2. Step 2: Convert to fraction form
   82,438.72/113,765.76 = 44,713.60/x
3. Step 3: Cross multiply
   82,438.72x = 113,765.76 × 44,713.60
4. Step 4: Simplify right side
   82,438.72x = 5,086,876,686.34
5. Step 5: Solve for x
   x = 5,086,876,686.34/82,438.72
6. Step 6: Final answer
   x = 61,704.95