Finding the Fourth Proportional to 74,538.10, 111,812.55 and 44,892.10

Step by Step Solution

1. Step 1: Write the proportion equation
   74,538.10 : 111,812.55 = 44,892.10 : x
2. Step 2: Convert to fraction form
   74,538.10/111,812.55 = 44,892.10/x
3. Step 3: Cross multiply
   74,538.10x = 111,812.55 × 44,892.10
4. Step 4: Simplify right side
   74,538.10x = 5,019,500,175.86
5. Step 5: Solve for x
   x = 5,019,500,175.86/74,538.10
6. Step 6: Final answer
   x = 67,341.40