Finding the Fourth Proportional to 7,311.48, 10,089.81 and 4,167.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,311.48 : 10,089.81 = 4,167.69 : x
2. Step 2: Convert to fraction form
   7,311.48/10,089.81 = 4,167.69/x
3. Step 3: Cross multiply
   7,311.48x = 10,089.81 × 4,167.69
4. Step 4: Simplify right side
   7,311.48x = 42,051,200.24
5. Step 5: Solve for x
   x = 42,051,200.24/7,311.48
6. Step 6: Final answer
   x = 5,751.39