Finding the Fourth Proportional to 12,288.64, 16,959.54 and 7,254.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,288.64 : 16,959.54 = 7,254.52 : x
2. Step 2: Convert to fraction form
   12,288.64/16,959.54 = 7,254.52/x
3. Step 3: Cross multiply
   12,288.64x = 16,959.54 × 7,254.52
4. Step 4: Simplify right side
   12,288.64x = 123,033,322.12
5. Step 5: Solve for x
   x = 123,033,322.12/12,288.64
6. Step 6: Final answer
   x = 10,011.96