Finding the Fourth Proportional to 23,124.02, 31,911.23 and 12,513.65

Step by Step Solution

1. Step 1: Write the proportion equation
   23,124.02 : 31,911.23 = 12,513.65 : x
2. Step 2: Convert to fraction form
   23,124.02/31,911.23 = 12,513.65/x
3. Step 3: Cross multiply
   23,124.02x = 31,911.23 × 12,513.65
4. Step 4: Simplify right side
   23,124.02x = 399,325,900.72
5. Step 5: Solve for x
   x = 399,325,900.72/23,124.02
6. Step 6: Final answer
   x = 17,268.88