Finding the Fourth Proportional to 22,535.34, 31,098.98 and 13,581.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,535.34 : 31,098.98 = 13,581.12 : x
2. Step 2: Convert to fraction form
   22,535.34/31,098.98 = 13,581.12/x
3. Step 3: Cross multiply
   22,535.34x = 31,098.98 × 13,581.12
4. Step 4: Simplify right side
   22,535.34x = 422,358,979.26
5. Step 5: Solve for x
   x = 422,358,979.26/22,535.34
6. Step 6: Final answer
   x = 18,742.07