Finding the Fourth Proportional to 23,553.35, 32,503.59 and 12,942.99

Step by Step Solution

1. Step 1: Write the proportion equation
   23,553.35 : 32,503.59 = 12,942.99 : x
2. Step 2: Convert to fraction form
   23,553.35/32,503.59 = 12,942.99/x
3. Step 3: Cross multiply
   23,553.35x = 32,503.59 × 12,942.99
4. Step 4: Simplify right side
   23,553.35x = 420,693,640.33
5. Step 5: Solve for x
   x = 420,693,640.33/23,553.35
6. Step 6: Final answer
   x = 17,861.31