Finding the Fourth Proportional to 23,613.83, 32,578.52 and 13,398.95

Step by Step Solution

1. Step 1: Write the proportion equation
   23,613.83 : 32,578.52 = 13,398.95 : x
2. Step 2: Convert to fraction form
   23,613.83/32,578.52 = 13,398.95/x
3. Step 3: Cross multiply
   23,613.83x = 32,578.52 × 13,398.95
4. Step 4: Simplify right side
   23,613.83x = 436,517,856.28
5. Step 5: Solve for x
   x = 436,517,856.28/23,613.83
6. Step 6: Final answer
   x = 18,485.69