Finding the Fourth Proportional to 22,506.51, 31,058.55 and 12,435.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,506.51 : 31,058.55 = 12,435.06 : x
2. Step 2: Convert to fraction form
   22,506.51/31,058.55 = 12,435.06/x
3. Step 3: Cross multiply
   22,506.51x = 31,058.55 × 12,435.06
4. Step 4: Simplify right side
   22,506.51x = 386,214,932.76
5. Step 5: Solve for x
   x = 386,214,932.76/22,506.51
6. Step 6: Final answer
   x = 17,160.14