Finding the Fourth Proportional to 23,521.10, 32,459.24 and 12,910.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,521.10 : 32,459.24 = 12,910.86 : x
2. Step 2: Convert to fraction form
   23,521.10/32,459.24 = 12,910.86/x
3. Step 3: Cross multiply
   23,521.10x = 32,459.24 × 12,910.86
4. Step 4: Simplify right side
   23,521.10x = 419,076,703.35
5. Step 5: Solve for x
   x = 419,076,703.35/23,521.10
6. Step 6: Final answer
   x = 17,817.05