Finding the Fourth Proportional to 23,580.72, 32,541.48 and 12,970.48

Step by Step Solution

1. Step 1: Write the proportion equation
   23,580.72 : 32,541.48 = 12,970.48 : x
2. Step 2: Convert to fraction form
   23,580.72/32,541.48 = 12,970.48/x
3. Step 3: Cross multiply
   23,580.72x = 32,541.48 × 12,970.48
4. Step 4: Simplify right side
   23,580.72x = 422,078,615.51
5. Step 5: Solve for x
   x = 422,078,615.51/23,580.72
6. Step 6: Final answer
   x = 17,899.31