Finding the Fourth Proportional to 5,667.89, 8,501.99 and 2,157.45

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.89 : 8,501.99 = 2,157.45 : x
2. Step 2: Convert to fraction form
   5,667.89/8,501.99 = 2,157.45/x
3. Step 3: Cross multiply
   5,667.89x = 8,501.99 × 2,157.45
4. Step 4: Simplify right side
   5,667.89x = 18,342,607.54
5. Step 5: Solve for x
   x = 18,342,607.54/5,667.89
6. Step 6: Final answer
   x = 3,236.23