Finding the Fourth Proportional to 22,492.54, 31,047.99 and 13,540.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,492.54 : 31,047.99 = 13,540.46 : x
2. Step 2: Convert to fraction form
   22,492.54/31,047.99 = 13,540.46/x
3. Step 3: Cross multiply
   22,492.54x = 31,047.99 × 13,540.46
4. Step 4: Simplify right side
   22,492.54x = 420,404,066.68
5. Step 5: Solve for x
   x = 420,404,066.68/22,492.54
6. Step 6: Final answer
   x = 18,690.82