Finding the Fourth Proportional to 22,504.32, 31,055.01 and 12,943.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,504.32 : 31,055.01 = 12,943.49 : x
2. Step 2: Convert to fraction form
   22,504.32/31,055.01 = 12,943.49/x
3. Step 3: Cross multiply
   22,504.32x = 31,055.01 × 12,943.49
4. Step 4: Simplify right side
   22,504.32x = 401,960,166.11
5. Step 5: Solve for x
   x = 401,960,166.11/22,504.32
6. Step 6: Final answer
   x = 17,861.46