Finding the Fourth Proportional to 23,423.53, 32,323.98 and 12,812.80

Step by Step Solution

1. Step 1: Write the proportion equation
   23,423.53 : 32,323.98 = 12,812.80 : x
2. Step 2: Convert to fraction form
   23,423.53/32,323.98 = 12,812.80/x
3. Step 3: Cross multiply
   23,423.53x = 32,323.98 × 12,812.80
4. Step 4: Simplify right side
   23,423.53x = 414,160,690.94
5. Step 5: Solve for x
   x = 414,160,690.94/23,423.53
6. Step 6: Final answer
   x = 17,681.40