Finding the Fourth Proportional to 22,498.52, 31,048.20 and 12,427.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,498.52 : 31,048.20 = 12,427.25 : x
2. Step 2: Convert to fraction form
   22,498.52/31,048.20 = 12,427.25/x
3. Step 3: Cross multiply
   22,498.52x = 31,048.20 × 12,427.25
4. Step 4: Simplify right side
   22,498.52x = 385,843,588.21
5. Step 5: Solve for x
   x = 385,843,588.21/22,498.52
6. Step 6: Final answer
   x = 17,149.74