Finding the Fourth Proportional to 124,819.48, 172,250.89 and 67,458.63

Step by Step Solution

1. Step 1: Write the proportion equation
   124,819.48 : 172,250.89 = 67,458.63 : x
2. Step 2: Convert to fraction form
   124,819.48/172,250.89 = 67,458.63/x
3. Step 3: Cross multiply
   124,819.48x = 172,250.89 × 67,458.63
4. Step 4: Simplify right side
   124,819.48x = 11,619,808,887.03
5. Step 5: Solve for x
   x = 11,619,808,887.03/124,819.48
6. Step 6: Final answer
   x = 93,092.91