Finding the Fourth Proportional to 9,276, 12,800.88 and 5,084.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,276 : 12,800.88 = 5,084.28 : x
2. Step 2: Convert to fraction form
   9,276/12,800.88 = 5,084.28/x
3. Step 3: Cross multiply
   9,276x = 12,800.88 × 5,084.28
4. Step 4: Simplify right side
   9,276x = 65,083,258.17
5. Step 5: Solve for x
   x = 65,083,258.17/9,276
6. Step 6: Final answer
   x = 7,016.31