Finding the Fourth Proportional to 5,681.59, 7,836.93 and 3,667.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,681.59 : 7,836.93 = 3,667.57 : x
2. Step 2: Convert to fraction form
   5,681.59/7,836.93 = 3,667.57/x
3. Step 3: Cross multiply
   5,681.59x = 7,836.93 × 3,667.57
4. Step 4: Simplify right side
   5,681.59x = 28,742,469.77
5. Step 5: Solve for x
   x = 28,742,469.77/5,681.59
6. Step 6: Final answer
   x = 5,058.88