Finding the Fourth Proportional to 22,940.24, 34,405.92 and 10,456.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,940.24 : 34,405.92 = 10,456.76 : x
2. Step 2: Convert to fraction form
   22,940.24/34,405.92 = 10,456.76/x
3. Step 3: Cross multiply
   22,940.24x = 34,405.92 × 10,456.76
4. Step 4: Simplify right side
   22,940.24x = 359,774,448.02
5. Step 5: Solve for x
   x = 359,774,448.02/22,940.24
6. Step 6: Final answer
   x = 15,683.12