Finding the Fourth Proportional to 7,456.34, 10,290.69 and 4,311.92

Step by Step Solution

1. Step 1: Write the proportion equation
   7,456.34 : 10,290.69 = 4,311.92 : x
2. Step 2: Convert to fraction form
   7,456.34/10,290.69 = 4,311.92/x
3. Step 3: Cross multiply
   7,456.34x = 10,290.69 × 4,311.92
4. Step 4: Simplify right side
   7,456.34x = 44,372,580.57
5. Step 5: Solve for x
   x = 44,372,580.57/7,456.34
6. Step 6: Final answer
   x = 5,950.99