Finding the Fourth Proportional to 124,573.52, 171,909.06 and 67,985.30

Step by Step Solution

1. Step 1: Write the proportion equation
   124,573.52 : 171,909.06 = 67,985.30 : x
2. Step 2: Convert to fraction form
   124,573.52/171,909.06 = 67,985.30/x
3. Step 3: Cross multiply
   124,573.52x = 171,909.06 × 67,985.30
4. Step 4: Simplify right side
   124,573.52x = 11,687,289,016.82
5. Step 5: Solve for x
   x = 11,687,289,016.82/124,573.52
6. Step 6: Final answer
   x = 93,818.41