Finding the Fourth Proportional to 5,778.38, 8,667.45 and 3,699.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,778.38 : 8,667.45 = 3,699.38 : x
2. Step 2: Convert to fraction form
   5,778.38/8,667.45 = 3,699.38/x
3. Step 3: Cross multiply
   5,778.38x = 8,667.45 × 3,699.38
4. Step 4: Simplify right side
   5,778.38x = 32,064,191.18
5. Step 5: Solve for x
   x = 32,064,191.18/5,778.38
6. Step 6: Final answer
   x = 5,548.99