Finding the Fourth Proportional to 5,552.72, 7,667.18 and 3,431.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,552.72 : 7,667.18 = 3,431.34 : x
2. Step 2: Convert to fraction form
   5,552.72/7,667.18 = 3,431.34/x
3. Step 3: Cross multiply
   5,552.72x = 7,667.18 × 3,431.34
4. Step 4: Simplify right side
   5,552.72x = 26,308,701.42
5. Step 5: Solve for x
   x = 26,308,701.42/5,552.72
6. Step 6: Final answer
   x = 4,737.98