Finding the Fourth Proportional to 22,517.53, 31,072.03 and 12,444.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,517.53 : 31,072.03 = 12,444.34 : x
2. Step 2: Convert to fraction form
   22,517.53/31,072.03 = 12,444.34/x
3. Step 3: Cross multiply
   22,517.53x = 31,072.03 × 12,444.34
4. Step 4: Simplify right side
   22,517.53x = 386,670,905.81
5. Step 5: Solve for x
   x = 386,670,905.81/22,517.53
6. Step 6: Final answer
   x = 17,171.99