Finding the Fourth Proportional to 22,058.42, 30,437.38 and 13,106.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,058.42 : 30,437.38 = 13,106.30 : x
2. Step 2: Convert to fraction form
   22,058.42/30,437.38 = 13,106.30/x
3. Step 3: Cross multiply
   22,058.42x = 30,437.38 × 13,106.30
4. Step 4: Simplify right side
   22,058.42x = 398,921,248.54
5. Step 5: Solve for x
   x = 398,921,248.54/22,058.42
6. Step 6: Final answer
   x = 18,084.76