Finding the Fourth Proportional to 23,018.12, 31,762.32 and 12,946.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,018.12 : 31,762.32 = 12,946.04 : x
2. Step 2: Convert to fraction form
   23,018.12/31,762.32 = 12,946.04/x
3. Step 3: Cross multiply
   23,018.12x = 31,762.32 × 12,946.04
4. Step 4: Simplify right side
   23,018.12x = 411,196,265.21
5. Step 5: Solve for x
   x = 411,196,265.21/23,018.12
6. Step 6: Final answer
   x = 17,864.02