Finding the Fourth Proportional to 124,080.30, 171,229.86 and 67,491.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,080.30 : 171,229.86 = 67,491.72 : x
2. Step 2: Convert to fraction form
   124,080.30/171,229.86 = 67,491.72/x
3. Step 3: Cross multiply
   124,080.30x = 171,229.86 × 67,491.72
4. Step 4: Simplify right side
   124,080.30x = 11,556,597,766.76
5. Step 5: Solve for x
   x = 11,556,597,766.76/124,080.30
6. Step 6: Final answer
   x = 93,138.05