Finding the Fourth Proportional to 124,435.72, 171,720.42 and 67,849.48

Step by Step Solution

1. Step 1: Write the proportion equation
   124,435.72 : 171,720.42 = 67,849.48 : x
2. Step 2: Convert to fraction form
   124,435.72/171,720.42 = 67,849.48/x
3. Step 3: Cross multiply
   124,435.72x = 171,720.42 × 67,849.48
4. Step 4: Simplify right side
   124,435.72x = 11,651,141,202.38
5. Step 5: Solve for x
   x = 11,651,141,202.38/124,435.72
6. Step 6: Final answer
   x = 93,631.81