Finding the Fourth Proportional to 23,004.47, 31,742.61 and 12,931.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,004.47 : 31,742.61 = 12,931.04 : x
2. Step 2: Convert to fraction form
   23,004.47/31,742.61 = 12,931.04/x
3. Step 3: Cross multiply
   23,004.47x = 31,742.61 × 12,931.04
4. Step 4: Simplify right side
   23,004.47x = 410,464,959.61
5. Step 5: Solve for x
   x = 410,464,959.61/23,004.47
6. Step 6: Final answer
   x = 17,842.83