Finding the Fourth Proportional to 124,379.16, 171,643.38 and 67,790.52

Step by Step Solution

1. Step 1: Write the proportion equation
   124,379.16 : 171,643.38 = 67,790.52 : x
2. Step 2: Convert to fraction form
   124,379.16/171,643.38 = 67,790.52/x
3. Step 3: Cross multiply
   124,379.16x = 171,643.38 × 67,790.52
4. Step 4: Simplify right side
   124,379.16x = 11,635,793,984.76
5. Step 5: Solve for x
   x = 11,635,793,984.76/124,379.16
6. Step 6: Final answer
   x = 93,550.99