Finding the Fourth Proportional to 123,950.88, 171,061.20 and 72,966.24

Step by Step Solution

1. Step 1: Write the proportion equation
   123,950.88 : 171,061.20 = 72,966.24 : x
2. Step 2: Convert to fraction form
   123,950.88/171,061.20 = 72,966.24/x
3. Step 3: Cross multiply
   123,950.88x = 171,061.20 × 72,966.24
4. Step 4: Simplify right side
   123,950.88x = 12,481,692,573.89
5. Step 5: Solve for x
   x = 12,481,692,573.89/123,950.88
6. Step 6: Final answer
   x = 100,698.70