Finding the Fourth Proportional to 23,142.50, 34,706.55 and 8,349.48

Step by Step Solution

1. Step 1: Write the proportion equation
   23,142.50 : 34,706.55 = 8,349.48 : x
2. Step 2: Convert to fraction form
   23,142.50/34,706.55 = 8,349.48/x
3. Step 3: Cross multiply
   23,142.50x = 34,706.55 × 8,349.48
4. Step 4: Simplify right side
   23,142.50x = 289,781,645.09
5. Step 5: Solve for x
   x = 289,781,645.09/23,142.50
6. Step 6: Final answer
   x = 12,521.62