Finding the Fourth Proportional to 22,754.22, 31,400.96 and 12,683.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,754.22 : 31,400.96 = 12,683.30 : x
2. Step 2: Convert to fraction form
   22,754.22/31,400.96 = 12,683.30/x
3. Step 3: Cross multiply
   22,754.22x = 31,400.96 × 12,683.30
4. Step 4: Simplify right side
   22,754.22x = 398,267,670.67
5. Step 5: Solve for x
   x = 398,267,670.67/22,754.22
6. Step 6: Final answer
   x = 17,503.03