Finding the Fourth Proportional to 5,084.84, 7,016.98 and 2,816.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,084.84 : 7,016.98 = 2,816.12 : x
2. Step 2: Convert to fraction form
   5,084.84/7,016.98 = 2,816.12/x
3. Step 3: Cross multiply
   5,084.84x = 7,016.98 × 2,816.12
4. Step 4: Simplify right side
   5,084.84x = 19,760,657.72
5. Step 5: Solve for x
   x = 19,760,657.72/5,084.84
6. Step 6: Final answer
   x = 3,886.19