Finding the Fourth Proportional to 124,969.86, 172,457.69 and 67,609

Step by Step Solution

1. Step 1: Write the proportion equation
   124,969.86 : 172,457.69 = 67,609 : x
2. Step 2: Convert to fraction form
   124,969.86/172,457.69 = 67,609/x
3. Step 3: Cross multiply
   124,969.86x = 172,457.69 × 67,609
4. Step 4: Simplify right side
   124,969.86x = 11,659,691,963.21
5. Step 5: Solve for x
   x = 11,659,691,963.21/124,969.86
6. Step 6: Final answer
   x = 93,300.03