Finding the Fourth Proportional to 5,142.42, 7,099.70 and 3,350.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142.42 : 7,099.70 = 3,350.52 : x
2. Step 2: Convert to fraction form
   5,142.42/7,099.70 = 3,350.52/x
3. Step 3: Cross multiply
   5,142.42x = 7,099.70 × 3,350.52
4. Step 4: Simplify right side
   5,142.42x = 23,787,670.09
5. Step 5: Solve for x
   x = 23,787,670.09/5,142.42
6. Step 6: Final answer
   x = 4,625.77