Finding the Fourth Proportional to 124,470.72, 171,767.52 and 67,878.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,470.72 : 171,767.52 = 67,878.72 : x
2. Step 2: Convert to fraction form
   124,470.72/171,767.52 = 67,878.72/x
3. Step 3: Cross multiply
   124,470.72x = 171,767.52 × 67,878.72
4. Step 4: Simplify right side
   124,470.72x = 11,659,359,395.17
5. Step 5: Solve for x
   x = 11,659,359,395.17/124,470.72
6. Step 6: Final answer
   x = 93,671.50