Finding the Fourth Proportional to 9,320.30, 12,861.92 and 5,341.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,320.30 : 12,861.92 = 5,341.31 : x
2. Step 2: Convert to fraction form
   9,320.30/12,861.92 = 5,341.31/x
3. Step 3: Cross multiply
   9,320.30x = 12,861.92 × 5,341.31
4. Step 4: Simplify right side
   9,320.30x = 68,699,499.19
5. Step 5: Solve for x
   x = 68,699,499.19/9,320.30
6. Step 6: Final answer
   x = 7,370.95