Finding the Fourth Proportional to 4,185.60, 5,770.27 and 3,426.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,185.60 : 5,770.27 = 3,426.72 : x
2. Step 2: Convert to fraction form
   4,185.60/5,770.27 = 3,426.72/x
3. Step 3: Cross multiply
   4,185.60x = 5,770.27 × 3,426.72
4. Step 4: Simplify right side
   4,185.60x = 19,773,099.61
5. Step 5: Solve for x
   x = 19,773,099.61/4,185.60
6. Step 6: Final answer
   x = 4,724.08