Finding the Fourth Proportional to 9,474.57, 13,072.69 and 5,697.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,474.57 : 13,072.69 = 5,697.13 : x
2. Step 2: Convert to fraction form
   9,474.57/13,072.69 = 5,697.13/x
3. Step 3: Cross multiply
   9,474.57x = 13,072.69 × 5,697.13
4. Step 4: Simplify right side
   9,474.57x = 74,476,814.38
5. Step 5: Solve for x
   x = 74,476,814.38/9,474.57
6. Step 6: Final answer
   x = 7,860.71