Finding the Fourth Proportional to 23,521.49, 32,459.43 and 12,910.89

Step by Step Solution

1. Step 1: Write the proportion equation
   23,521.49 : 32,459.43 = 12,910.89 : x
2. Step 2: Convert to fraction form
   23,521.49/32,459.43 = 12,910.89/x
3. Step 3: Cross multiply
   23,521.49x = 32,459.43 × 12,910.89
4. Step 4: Simplify right side
   23,521.49x = 419,080,300.33
5. Step 5: Solve for x
   x = 419,080,300.33/23,521.49
6. Step 6: Final answer
   x = 17,816.91