Finding the Fourth Proportional to 23,547.20, 32,495.00 and 12,936.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,547.20 : 32,495.00 = 12,936.61 : x
2. Step 2: Convert to fraction form
   23,547.20/32,495.00 = 12,936.61/x
3. Step 3: Cross multiply
   23,547.20x = 32,495.00 × 12,936.61
4. Step 4: Simplify right side
   23,547.20x = 420,374,996.03
5. Step 5: Solve for x
   x = 420,374,996.03/23,547.20
6. Step 6: Final answer
   x = 17,852.44