Finding the Fourth Proportional to 123,956.48, 171,045.23 and 72,957.93

Step by Step Solution

1. Step 1: Write the proportion equation
   123,956.48 : 171,045.23 = 72,957.93 : x
2. Step 2: Convert to fraction form
   123,956.48/171,045.23 = 72,957.93/x
3. Step 3: Cross multiply
   123,956.48x = 171,045.23 × 72,957.93
4. Step 4: Simplify right side
   123,956.48x = 12,479,105,552.38
5. Step 5: Solve for x
   x = 12,479,105,552.38/123,956.48
6. Step 6: Final answer
   x = 100,673.29