Finding the Fourth Proportional to 124,060.96, 171,200.88 and 72,387.94

Step by Step Solution

1. Step 1: Write the proportion equation
   124,060.96 : 171,200.88 = 72,387.94 : x
2. Step 2: Convert to fraction form
   124,060.96/171,200.88 = 72,387.94/x
3. Step 3: Cross multiply
   124,060.96x = 171,200.88 × 72,387.94
4. Step 4: Simplify right side
   124,060.96x = 12,392,879,029.39
5. Step 5: Solve for x
   x = 12,392,879,029.39/124,060.96
6. Step 6: Final answer
   x = 99,893.46