Finding the Fourth Proportional to 22,506.36, 31,058.59 and 12,434.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,506.36 : 31,058.59 = 12,434.77 : x
2. Step 2: Convert to fraction form
   22,506.36/31,058.59 = 12,434.77/x
3. Step 3: Cross multiply
   22,506.36x = 31,058.59 × 12,434.77
4. Step 4: Simplify right side
   22,506.36x = 386,206,279.52
5. Step 5: Solve for x
   x = 386,206,279.52/22,506.36
6. Step 6: Final answer
   x = 17,159.88