Finding the Fourth Proportional to 80,484.12, 111,105.30 and 48,234.06

Step by Step Solution

1. Step 1: Write the proportion equation
   80,484.12 : 111,105.30 = 48,234.06 : x
2. Step 2: Convert to fraction form
   80,484.12/111,105.30 = 48,234.06/x
3. Step 3: Cross multiply
   80,484.12x = 111,105.30 × 48,234.06
4. Step 4: Simplify right side
   80,484.12x = 5,359,059,706.52
5. Step 5: Solve for x
   x = 5,359,059,706.52/80,484.12
6. Step 6: Final answer
   x = 66,585.31