Finding the Fourth Proportional to 23,820.94, 32,874.42 and 13,210.75

Step by Step Solution

1. Step 1: Write the proportion equation
   23,820.94 : 32,874.42 = 13,210.75 : x
2. Step 2: Convert to fraction form
   23,820.94/32,874.42 = 13,210.75/x
3. Step 3: Cross multiply
   23,820.94x = 32,874.42 × 13,210.75
4. Step 4: Simplify right side
   23,820.94x = 434,295,744.02
5. Step 5: Solve for x
   x = 434,295,744.02/23,820.94
6. Step 6: Final answer
   x = 18,231.68