Finding the Fourth Proportional to 12,060.72, 18,089.16 and 3,296.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,060.72 : 18,089.16 = 3,296.28 : x
2. Step 2: Convert to fraction form
   12,060.72/18,089.16 = 3,296.28/x
3. Step 3: Cross multiply
   12,060.72x = 18,089.16 × 3,296.28
4. Step 4: Simplify right side
   12,060.72x = 59,626,936.32
5. Step 5: Solve for x
   x = 59,626,936.32/12,060.72
6. Step 6: Final answer
   x = 4,943.90