Finding the Fourth Proportional to 74,414.10, 111,491.55 and 48,105.30

Step by Step Solution

1. Step 1: Write the proportion equation
   74,414.10 : 111,491.55 = 48,105.30 : x
2. Step 2: Convert to fraction form
   74,414.10/111,491.55 = 48,105.30/x
3. Step 3: Cross multiply
   74,414.10x = 111,491.55 × 48,105.30
4. Step 4: Simplify right side
   74,414.10x = 5,363,334,460.22
5. Step 5: Solve for x
   x = 5,363,334,460.22/74,414.10
6. Step 6: Final answer
   x = 72,074.17