Finding the Fourth Proportional to 22,928.89, 34,393.47 and 10,440.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,928.89 : 34,393.47 = 10,440.18 : x
2. Step 2: Convert to fraction form
   22,928.89/34,393.47 = 10,440.18/x
3. Step 3: Cross multiply
   22,928.89x = 34,393.47 × 10,440.18
4. Step 4: Simplify right side
   22,928.89x = 359,074,017.62
5. Step 5: Solve for x
   x = 359,074,017.62/22,928.89
6. Step 6: Final answer
   x = 15,660.33