Finding the Fourth Proportional to 89,986.55, 134,895.69 and 40,039.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,986.55 : 134,895.69 = 40,039.52 : x
2. Step 2: Convert to fraction form
   89,986.55/134,895.69 = 40,039.52/x
3. Step 3: Cross multiply
   89,986.55x = 134,895.69 × 40,039.52
4. Step 4: Simplify right side
   89,986.55x = 5,401,159,014.91
5. Step 5: Solve for x
   x = 5,401,159,014.91/89,986.55
6. Step 6: Final answer
   x = 60,021.85