Finding the Fourth Proportional to 23,580.89, 32,540.94 and 12,970.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,580.89 : 32,540.94 = 12,970.52 : x
2. Step 2: Convert to fraction form
   23,580.89/32,540.94 = 12,970.52/x
3. Step 3: Cross multiply
   23,580.89x = 32,540.94 × 12,970.52
4. Step 4: Simplify right side
   23,580.89x = 422,072,864.16
5. Step 5: Solve for x
   x = 422,072,864.16/23,580.89
6. Step 6: Final answer
   x = 17,898.94