Finding the Fourth Proportional to 22,858.56, 34,298.52 and 8,078.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,858.56 : 34,298.52 = 8,078.64 : x
2. Step 2: Convert to fraction form
   22,858.56/34,298.52 = 8,078.64/x
3. Step 3: Cross multiply
   22,858.56x = 34,298.52 × 8,078.64
4. Step 4: Simplify right side
   22,858.56x = 277,085,395.61
5. Step 5: Solve for x
   x = 277,085,395.61/22,858.56
6. Step 6: Final answer
   x = 12,121.73