Finding the Fourth Proportional to 5,667.30, 8,492.29 and 3,811.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.30 : 8,492.29 = 3,811.55 : x
2. Step 2: Convert to fraction form
   5,667.30/8,492.29 = 3,811.55/x
3. Step 3: Cross multiply
   5,667.30x = 8,492.29 × 3,811.55
4. Step 4: Simplify right side
   5,667.30x = 32,368,735.96
5. Step 5: Solve for x
   x = 32,368,735.96/5,667.30
6. Step 6: Final answer
   x = 5,711.49