Finding the Fourth Proportional to 22,870.38, 34,285.86 and 8,840.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,870.38 : 34,285.86 = 8,840.25 : x
2. Step 2: Convert to fraction form
   22,870.38/34,285.86 = 8,840.25/x
3. Step 3: Cross multiply
   22,870.38x = 34,285.86 × 8,840.25
4. Step 4: Simplify right side
   22,870.38x = 303,095,573.87
5. Step 5: Solve for x
   x = 303,095,573.87/22,870.38
6. Step 6: Final answer
   x = 13,252.76