Finding the Fourth Proportional to 5,086.98, 7,623.52 and 2,616.58

Step by Step Solution

1. Step 1: Write the proportion equation
   5,086.98 : 7,623.52 = 2,616.58 : x
2. Step 2: Convert to fraction form
   5,086.98/7,623.52 = 2,616.58/x
3. Step 3: Cross multiply
   5,086.98x = 7,623.52 × 2,616.58
4. Step 4: Simplify right side
   5,086.98x = 19,947,531.51
5. Step 5: Solve for x
   x = 19,947,531.51/5,086.98
6. Step 6: Final answer
   x = 3,921.29