Finding the Fourth Proportional to 23,734.72, 32,754.58 and 12,980.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,734.72 : 32,754.58 = 12,980.15 : x
2. Step 2: Convert to fraction form
   23,734.72/32,754.58 = 12,980.15/x
3. Step 3: Cross multiply
   23,734.72x = 32,754.58 × 12,980.15
4. Step 4: Simplify right side
   23,734.72x = 425,159,288.19
5. Step 5: Solve for x
   x = 425,159,288.19/23,734.72
6. Step 6: Final answer
   x = 17,912.97