Finding the Fourth Proportional to 2,705.98, 3,734.28 and 1,587.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,705.98 : 3,734.28 = 1,587.58 : x
2. Step 2: Convert to fraction form
   2,705.98/3,734.28 = 1,587.58/x
3. Step 3: Cross multiply
   2,705.98x = 3,734.28 × 1,587.58
4. Step 4: Simplify right side
   2,705.98x = 5,928,468.24
5. Step 5: Solve for x
   x = 5,928,468.24/2,705.98
6. Step 6: Final answer
   x = 2,190.88