Finding the Fourth Proportional to 12,055.52, 17,964.96 and 11,659.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,055.52 : 17,964.96 = 11,659.16 : x
2. Step 2: Convert to fraction form
   12,055.52/17,964.96 = 11,659.16/x
3. Step 3: Cross multiply
   12,055.52x = 17,964.96 × 11,659.16
4. Step 4: Simplify right side
   12,055.52x = 209,456,343.03
5. Step 5: Solve for x
   x = 209,456,343.03/12,055.52
6. Step 6: Final answer
   x = 17,374.31