Finding the Fourth Proportional to 5,557.28, 7,667.43 and 3,433.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,557.28 : 7,667.43 = 3,433.10 : x
2. Step 2: Convert to fraction form
   5,557.28/7,667.43 = 3,433.10/x
3. Step 3: Cross multiply
   5,557.28x = 7,667.43 × 3,433.10
4. Step 4: Simplify right side
   5,557.28x = 26,323,053.93
5. Step 5: Solve for x
   x = 26,323,053.93/5,557.28
6. Step 6: Final answer
   x = 4,736.68