Finding the Fourth Proportional to 23,616.22, 32,590.42 and 13,005.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,616.22 : 32,590.42 = 13,005.86 : x
2. Step 2: Convert to fraction form
   23,616.22/32,590.42 = 13,005.86/x
3. Step 3: Cross multiply
   23,616.22x = 32,590.42 × 13,005.86
4. Step 4: Simplify right side
   23,616.22x = 423,866,439.86
5. Step 5: Solve for x
   x = 423,866,439.86/23,616.22
6. Step 6: Final answer
   x = 17,948.11