Finding the Fourth Proportional to 23,145.98, 31,941.42 and 12,535.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,145.98 : 31,941.42 = 12,535.52 : x
2. Step 2: Convert to fraction form
   23,145.98/31,941.42 = 12,535.52/x
3. Step 3: Cross multiply
   23,145.98x = 31,941.42 × 12,535.52
4. Step 4: Simplify right side
   23,145.98x = 400,402,309.24
5. Step 5: Solve for x
   x = 400,402,309.24/23,145.98
6. Step 6: Final answer
   x = 17,299.00