Finding the Fourth Proportional to 7,311.59, 10,089.72 and 4,167.17

Step by Step Solution

1. Step 1: Write the proportion equation
   7,311.59 : 10,089.72 = 4,167.17 : x
2. Step 2: Convert to fraction form
   7,311.59/10,089.72 = 4,167.17/x
3. Step 3: Cross multiply
   7,311.59x = 10,089.72 × 4,167.17
4. Step 4: Simplify right side
   7,311.59x = 42,045,528.04
5. Step 5: Solve for x
   x = 42,045,528.04/7,311.59
6. Step 6: Final answer
   x = 5,750.54