Finding the Fourth Proportional to 74,150.72, 102,327.48 and 40,158.42

Step by Step Solution

1. Step 1: Write the proportion equation
   74,150.72 : 102,327.48 = 40,158.42 : x
2. Step 2: Convert to fraction form
   74,150.72/102,327.48 = 40,158.42/x
3. Step 3: Cross multiply
   74,150.72x = 102,327.48 × 40,158.42
4. Step 4: Simplify right side
   74,150.72x = 4,109,309,919.38
5. Step 5: Solve for x
   x = 4,109,309,919.38/74,150.72
6. Step 6: Final answer
   x = 55,418.35