Finding the Fourth Proportional to 23,898.72, 32,980.14 and 13,288.41

Step by Step Solution

1. Step 1: Write the proportion equation
   23,898.72 : 32,980.14 = 13,288.41 : x
2. Step 2: Convert to fraction form
   23,898.72/32,980.14 = 13,288.41/x
3. Step 3: Cross multiply
   23,898.72x = 32,980.14 × 13,288.41
4. Step 4: Simplify right side
   23,898.72x = 438,253,622.18
5. Step 5: Solve for x
   x = 438,253,622.18/23,898.72
6. Step 6: Final answer
   x = 18,337.95