Finding the Fourth Proportional to 23,519.40, 32,457.12 and 12,910.02

Step by Step Solution

1. Step 1: Write the proportion equation
   23,519.40 : 32,457.12 = 12,910.02 : x
2. Step 2: Convert to fraction form
   23,519.40/32,457.12 = 12,910.02/x
3. Step 3: Cross multiply
   23,519.40x = 32,457.12 × 12,910.02
4. Step 4: Simplify right side
   23,519.40x = 419,022,068.34
5. Step 5: Solve for x
   x = 419,022,068.34/23,519.40
6. Step 6: Final answer
   x = 17,816.02