Finding the Fourth Proportional to 23,288.91, 32,133.69 and 13,216.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,288.91 : 32,133.69 = 13,216.56 : x
2. Step 2: Convert to fraction form
   23,288.91/32,133.69 = 13,216.56/x
3. Step 3: Cross multiply
   23,288.91x = 32,133.69 × 13,216.56
4. Step 4: Simplify right side
   23,288.91x = 424,696,841.91
5. Step 5: Solve for x
   x = 424,696,841.91/23,288.91
6. Step 6: Final answer
   x = 18,236.01