Finding the Fourth Proportional to 23,111.42, 31,893.78 and 12,501.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,111.42 : 31,893.78 = 12,501.06 : x
2. Step 2: Convert to fraction form
   23,111.42/31,893.78 = 12,501.06/x
3. Step 3: Cross multiply
   23,111.42x = 31,893.78 × 12,501.06
4. Step 4: Simplify right side
   23,111.42x = 398,706,057.41
5. Step 5: Solve for x
   x = 398,706,057.41/23,111.42
6. Step 6: Final answer
   x = 17,251.47