Finding the Fourth Proportional to 22,498.17, 31,047.51 and 12,426.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,498.17 : 31,047.51 = 12,426.42 : x
2. Step 2: Convert to fraction form
   22,498.17/31,047.51 = 12,426.42/x
3. Step 3: Cross multiply
   22,498.17x = 31,047.51 × 12,426.42
4. Step 4: Simplify right side
   22,498.17x = 385,809,399.21
5. Step 5: Solve for x
   x = 385,809,399.21/22,498.17
6. Step 6: Final answer
   x = 17,148.48