Finding the Fourth Proportional to 19,614.16, 27,061.32 and 12,166.48

Step by Step Solution

1. Step 1: Write the proportion equation
   19,614.16 : 27,061.32 = 12,166.48 : x
2. Step 2: Convert to fraction form
   19,614.16/27,061.32 = 12,166.48/x
3. Step 3: Cross multiply
   19,614.16x = 27,061.32 × 12,166.48
4. Step 4: Simplify right side
   19,614.16x = 329,241,008.55
5. Step 5: Solve for x
   x = 329,241,008.55/19,614.16
6. Step 6: Final answer
   x = 16,785.88