Finding the Fourth Proportional to 12,294.16, 16,942.34 and 8,510.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,294.16 : 16,942.34 = 8,510.31 : x
2. Step 2: Convert to fraction form
   12,294.16/16,942.34 = 8,510.31/x
3. Step 3: Cross multiply
   12,294.16x = 16,942.34 × 8,510.31
4. Step 4: Simplify right side
   12,294.16x = 144,184,565.53
5. Step 5: Solve for x
   x = 144,184,565.53/12,294.16
6. Step 6: Final answer
   x = 11,727.89