Finding the Fourth Proportional to 5,626.31, 7,764.80 and 3,734.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,626.31 : 7,764.80 = 3,734.55 : x
2. Step 2: Convert to fraction form
   5,626.31/7,764.80 = 3,734.55/x
3. Step 3: Cross multiply
   5,626.31x = 7,764.80 × 3,734.55
4. Step 4: Simplify right side
   5,626.31x = 28,998,015.17
5. Step 5: Solve for x
   x = 28,998,015.17/5,626.31
6. Step 6: Final answer
   x = 5,154.01