Finding the Fourth Proportional to 23,665.48, 32,658.98 and 12,910.53

Step by Step Solution

1. Step 1: Write the proportion equation
   23,665.48 : 32,658.98 = 12,910.53 : x
2. Step 2: Convert to fraction form
   23,665.48/32,658.98 = 12,910.53/x
3. Step 3: Cross multiply
   23,665.48x = 32,658.98 × 12,910.53
4. Step 4: Simplify right side
   23,665.48x = 421,644,798.98
5. Step 5: Solve for x
   x = 421,644,798.98/23,665.48
6. Step 6: Final answer
   x = 17,816.87