Finding the Fourth Proportional to 89,441.53, 123,423.33 and 49,154.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,441.53 : 123,423.33 = 49,154.42 : x
2. Step 2: Convert to fraction form
   89,441.53/123,423.33 = 49,154.42/x
3. Step 3: Cross multiply
   89,441.53x = 123,423.33 × 49,154.42
4. Step 4: Simplify right side
   89,441.53x = 6,066,802,200.62
5. Step 5: Solve for x
   x = 6,066,802,200.62/89,441.53
6. Step 6: Final answer
   x = 67,829.81