Finding the Fourth Proportional to 23,111.79, 31,894.32 and 12,501.44

Step by Step Solution

1. Step 1: Write the proportion equation
   23,111.79 : 31,894.32 = 12,501.44 : x
2. Step 2: Convert to fraction form
   23,111.79/31,894.32 = 12,501.44/x
3. Step 3: Cross multiply
   23,111.79x = 31,894.32 × 12,501.44
4. Step 4: Simplify right side
   23,111.79x = 398,724,768.35
5. Step 5: Solve for x
   x = 398,724,768.35/23,111.79
6. Step 6: Final answer
   x = 17,252.01