Finding the Fourth Proportional to 89,500.55, 134,344.17 and 39,615.68

Step by Step Solution

1. Step 1: Write the proportion equation
   89,500.55 : 134,344.17 = 39,615.68 : x
2. Step 2: Convert to fraction form
   89,500.55/134,344.17 = 39,615.68/x
3. Step 3: Cross multiply
   89,500.55x = 134,344.17 × 39,615.68
4. Step 4: Simplify right side
   89,500.55x = 5,322,135,984.45
5. Step 5: Solve for x
   x = 5,322,135,984.45/89,500.55
6. Step 6: Final answer
   x = 59,464.84