Finding the Fourth Proportional to 9,710.70, 13,397.31 and 5,729.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,710.70 : 13,397.31 = 5,729.82 : x
2. Step 2: Convert to fraction form
   9,710.70/13,397.31 = 5,729.82/x
3. Step 3: Cross multiply
   9,710.70x = 13,397.31 × 5,729.82
4. Step 4: Simplify right side
   9,710.70x = 76,764,174.78
5. Step 5: Solve for x
   x = 76,764,174.78/9,710.70
6. Step 6: Final answer
   x = 7,905.11