Finding the Fourth Proportional to 23,581.86, 32,542.62 and 12,970.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,581.86 : 32,542.62 = 12,970.86 : x
2. Step 2: Convert to fraction form
   23,581.86/32,542.62 = 12,970.86/x
3. Step 3: Cross multiply
   23,581.86x = 32,542.62 × 12,970.86
4. Step 4: Simplify right side
   23,581.86x = 422,105,768.05
5. Step 5: Solve for x
   x = 422,105,768.05/23,581.86
6. Step 6: Final answer
   x = 17,899.60