Finding the Fourth Proportional to 23,141.10, 31,934.52 and 12,530.64

Step by Step Solution

1. Step 1: Write the proportion equation
   23,141.10 : 31,934.52 = 12,530.64 : x
2. Step 2: Convert to fraction form
   23,141.10/31,934.52 = 12,530.64/x
3. Step 3: Cross multiply
   23,141.10x = 31,934.52 × 12,530.64
4. Step 4: Simplify right side
   23,141.10x = 400,159,973.69
5. Step 5: Solve for x
   x = 400,159,973.69/23,141.10
6. Step 6: Final answer
   x = 17,292.18