Finding the Fourth Proportional to 9,234.07, 12,742.69 and 5,697.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,234.07 : 12,742.69 = 5,697.19 : x
2. Step 2: Convert to fraction form
   9,234.07/12,742.69 = 5,697.19/x
3. Step 3: Cross multiply
   9,234.07x = 12,742.69 × 5,697.19
4. Step 4: Simplify right side
   9,234.07x = 72,597,526.04
5. Step 5: Solve for x
   x = 72,597,526.04/9,234.07
6. Step 6: Final answer
   x = 7,861.92