Finding the Fourth Proportional to 7,311.42, 10,089.27 and 4,167.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,311.42 : 10,089.27 = 4,167.18 : x
2. Step 2: Convert to fraction form
   7,311.42/10,089.27 = 4,167.18/x
3. Step 3: Cross multiply
   7,311.42x = 10,089.27 × 4,167.18
4. Step 4: Simplify right side
   7,311.42x = 42,043,804.16
5. Step 5: Solve for x
   x = 42,043,804.16/7,311.42
6. Step 6: Final answer
   x = 5,750.43