Finding the Fourth Proportional to 86,499.91, 129,636.82 and 44,344.27

Step by Step Solution

1. Step 1: Write the proportion equation
   86,499.91 : 129,636.82 = 44,344.27 : x
2. Step 2: Convert to fraction form
   86,499.91/129,636.82 = 44,344.27/x
3. Step 3: Cross multiply
   86,499.91x = 129,636.82 × 44,344.27
4. Step 4: Simplify right side
   86,499.91x = 5,748,650,148.02
5. Step 5: Solve for x
   x = 5,748,650,148.02/86,499.91
6. Step 6: Final answer
   x = 66,458.45