Finding the Fourth Proportional to 23,228.55, 32,054.72 and 12,618.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,228.55 : 32,054.72 = 12,618.16 : x
2. Step 2: Convert to fraction form
   23,228.55/32,054.72 = 12,618.16/x
3. Step 3: Cross multiply
   23,228.55x = 32,054.72 × 12,618.16
4. Step 4: Simplify right side
   23,228.55x = 404,471,585.72
5. Step 5: Solve for x
   x = 404,471,585.72/23,228.55
6. Step 6: Final answer
   x = 17,412.69