Finding the Fourth Proportional to 22,859.42, 31,552.17 and 13,434.26

Step by Step Solution

1. Step 1: Write the proportion equation
   22,859.42 : 31,552.17 = 13,434.26 : x
2. Step 2: Convert to fraction form
   22,859.42/31,552.17 = 13,434.26/x
3. Step 3: Cross multiply
   22,859.42x = 31,552.17 × 13,434.26
4. Step 4: Simplify right side
   22,859.42x = 423,880,055.34
5. Step 5: Solve for x
   x = 423,880,055.34/22,859.42
6. Step 6: Final answer
   x = 18,542.91