Finding the Fourth Proportional to 22,434, 30,959.56 and 12,498.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,434 : 30,959.56 = 12,498.64 : x
2. Step 2: Convert to fraction form
   22,434/30,959.56 = 12,498.64/x
3. Step 3: Cross multiply
   22,434x = 30,959.56 × 12,498.64
4. Step 4: Simplify right side
   22,434x = 386,952,395.00
5. Step 5: Solve for x
   x = 386,952,395.00/22,434
6. Step 6: Final answer
   x = 17,248.48