Finding the Fourth Proportional to 22,487.53, 31,033.83 and 12,417.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,487.53 : 31,033.83 = 12,417.40 : x
2. Step 2: Convert to fraction form
   22,487.53/31,033.83 = 12,417.40/x
3. Step 3: Cross multiply
   22,487.53x = 31,033.83 × 12,417.40
4. Step 4: Simplify right side
   22,487.53x = 385,359,480.64
5. Step 5: Solve for x
   x = 385,359,480.64/22,487.53
6. Step 6: Final answer
   x = 17,136.59