Finding the Fourth Proportional to 23,468.04, 32,386.16 and 12,857.85

Step by Step Solution

1. Step 1: Write the proportion equation
   23,468.04 : 32,386.16 = 12,857.85 : x
2. Step 2: Convert to fraction form
   23,468.04/32,386.16 = 12,857.85/x
3. Step 3: Cross multiply
   23,468.04x = 32,386.16 × 12,857.85
4. Step 4: Simplify right side
   23,468.04x = 416,416,419.50
5. Step 5: Solve for x
   x = 416,416,419.50/23,468.04
6. Step 6: Final answer
   x = 17,743.98