Finding the Fourth Proportional to 12,061.02, 18,117.45 and 8,950.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,061.02 : 18,117.45 = 8,950.62 : x
2. Step 2: Convert to fraction form
   12,061.02/18,117.45 = 8,950.62/x
3. Step 3: Cross multiply
   12,061.02x = 18,117.45 × 8,950.62
4. Step 4: Simplify right side
   12,061.02x = 162,162,410.32
5. Step 5: Solve for x
   x = 162,162,410.32/12,061.02
6. Step 6: Final answer
   x = 13,445.17