Finding the Fourth Proportional to 23,404.24, 32,309.58 and 15,890.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,404.24 : 32,309.58 = 15,890.32 : x
2. Step 2: Convert to fraction form
   23,404.24/32,309.58 = 15,890.32/x
3. Step 3: Cross multiply
   23,404.24x = 32,309.58 × 15,890.32
4. Step 4: Simplify right side
   23,404.24x = 513,409,565.27
5. Step 5: Solve for x
   x = 513,409,565.27/23,404.24
6. Step 6: Final answer
   x = 21,936.60