Finding the Fourth Proportional to 22,693.69, 31,317.12 and 12,484.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,693.69 : 31,317.12 = 12,484.50 : x
2. Step 2: Convert to fraction form
   22,693.69/31,317.12 = 12,484.50/x
3. Step 3: Cross multiply
   22,693.69x = 31,317.12 × 12,484.50
4. Step 4: Simplify right side
   22,693.69x = 390,978,584.64
5. Step 5: Solve for x
   x = 390,978,584.64/22,693.69
6. Step 6: Final answer
   x = 17,228.52