Finding the Fourth Proportional to 23,588.53, 32,552.68 and 12,978.17

Step by Step Solution

1. Step 1: Write the proportion equation
   23,588.53 : 32,552.68 = 12,978.17 : x
2. Step 2: Convert to fraction form
   23,588.53/32,552.68 = 12,978.17/x
3. Step 3: Cross multiply
   23,588.53x = 32,552.68 × 12,978.17
4. Step 4: Simplify right side
   23,588.53x = 422,474,215.00
5. Step 5: Solve for x
   x = 422,474,215.00/23,588.53
6. Step 6: Final answer
   x = 17,910.15