Finding the Fourth Proportional to 23,632.31, 32,613.28 and 13,022.63

Step by Step Solution

1. Step 1: Write the proportion equation
   23,632.31 : 32,613.28 = 13,022.63 : x
2. Step 2: Convert to fraction form
   23,632.31/32,613.28 = 13,022.63/x
3. Step 3: Cross multiply
   23,632.31x = 32,613.28 × 13,022.63
4. Step 4: Simplify right side
   23,632.31x = 424,710,605.20
5. Step 5: Solve for x
   x = 424,710,605.20/23,632.31
6. Step 6: Final answer
   x = 17,971.61