Finding the Fourth Proportional to 89,945.48, 124,234.98 and 67,385.36

Step by Step Solution

1. Step 1: Write the proportion equation
   89,945.48 : 124,234.98 = 67,385.36 : x
2. Step 2: Convert to fraction form
   89,945.48/124,234.98 = 67,385.36/x
3. Step 3: Cross multiply
   89,945.48x = 124,234.98 × 67,385.36
4. Step 4: Simplify right side
   89,945.48x = 8,371,618,851.89
5. Step 5: Solve for x
   x = 8,371,618,851.89/89,945.48
6. Step 6: Final answer
   x = 93,074.37