Finding the Fourth Proportional to 23,456.79, 35,176.34 and 7,658.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,456.79 : 35,176.34 = 7,658.15 : x
2. Step 2: Convert to fraction form
   23,456.79/35,176.34 = 7,658.15/x
3. Step 3: Cross multiply
   23,456.79x = 35,176.34 × 7,658.15
4. Step 4: Simplify right side
   23,456.79x = 269,385,531.43
5. Step 5: Solve for x
   x = 269,385,531.43/23,456.79
6. Step 6: Final answer
   x = 11,484.33