Finding the Fourth Proportional to 23,111.98, 31,894.44 and 12,501.64

Step by Step Solution

1. Step 1: Write the proportion equation
   23,111.98 : 31,894.44 = 12,501.64 : x
2. Step 2: Convert to fraction form
   23,111.98/31,894.44 = 12,501.64/x
3. Step 3: Cross multiply
   23,111.98x = 31,894.44 × 12,501.64
4. Step 4: Simplify right side
   23,111.98x = 398,732,806.88
5. Step 5: Solve for x
   x = 398,732,806.88/23,111.98
6. Step 6: Final answer
   x = 17,252.21