Finding the Fourth Proportional to 23,124.02, 31,911.17 and 12,513.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,124.02 : 31,911.17 = 12,513.69 : x
2. Step 2: Convert to fraction form
   23,124.02/31,911.17 = 12,513.69/x
3. Step 3: Cross multiply
   23,124.02x = 31,911.17 × 12,513.69
4. Step 4: Simplify right side
   23,124.02x = 399,326,426.35
5. Step 5: Solve for x
   x = 399,326,426.35/23,124.02
6. Step 6: Final answer
   x = 17,268.91