Finding the Fourth Proportional to 23,632.86, 32,613.34 and 13,022.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,632.86 : 32,613.34 = 13,022.40 : x
2. Step 2: Convert to fraction form
   23,632.86/32,613.34 = 13,022.40/x
3. Step 3: Cross multiply
   23,632.86x = 32,613.34 × 13,022.40
4. Step 4: Simplify right side
   23,632.86x = 424,703,958.82
5. Step 5: Solve for x
   x = 424,703,958.82/23,632.86
6. Step 6: Final answer
   x = 17,970.91