Finding the Fourth Proportional to 22,693.50, 31,317.12 and 13,262.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,693.50 : 31,317.12 = 13,262.22 : x
2. Step 2: Convert to fraction form
   22,693.50/31,317.12 = 13,262.22/x
3. Step 3: Cross multiply
   22,693.50x = 31,317.12 × 13,262.22
4. Step 4: Simplify right side
   22,693.50x = 415,334,535.21
5. Step 5: Solve for x
   x = 415,334,535.21/22,693.50
6. Step 6: Final answer
   x = 18,301.92