Finding the Fourth Proportional to 89,168.96, 133,760.72 and 36,578.90

Step by Step Solution

1. Step 1: Write the proportion equation
   89,168.96 : 133,760.72 = 36,578.90 : x
2. Step 2: Convert to fraction form
   89,168.96/133,760.72 = 36,578.90/x
3. Step 3: Cross multiply
   89,168.96x = 133,760.72 × 36,578.90
4. Step 4: Simplify right side
   89,168.96x = 4,892,820,000.81
5. Step 5: Solve for x
   x = 4,892,820,000.81/89,168.96
6. Step 6: Final answer
   x = 54,871.34