Finding the Fourth Proportional to 23,581.12, 32,543.04 and 12,970.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,581.12 : 32,543.04 = 12,970.56 : x
2. Step 2: Convert to fraction form
   23,581.12/32,543.04 = 12,970.56/x
3. Step 3: Cross multiply
   23,581.12x = 32,543.04 × 12,970.56
4. Step 4: Simplify right side
   23,581.12x = 422,101,452.90
5. Step 5: Solve for x
   x = 422,101,452.90/23,581.12
6. Step 6: Final answer
   x = 17,899.97