Finding the Fourth Proportional to 23,618.12, 32,590 and 13,007.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,618.12 : 32,590 = 13,007.52 : x
2. Step 2: Convert to fraction form
   23,618.12/32,590 = 13,007.52/x
3. Step 3: Cross multiply
   23,618.12x = 32,590 × 13,007.52
4. Step 4: Simplify right side
   23,618.12x = 423,915,076.80
5. Step 5: Solve for x
   x = 423,915,076.80/23,618.12
6. Step 6: Final answer
   x = 17,948.72