Finding the Fourth Proportional to 9,709.72, 13,398.32 and 5,460.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,709.72 : 13,398.32 = 5,460.69 : x
2. Step 2: Convert to fraction form
   9,709.72/13,398.32 = 5,460.69/x
3. Step 3: Cross multiply
   9,709.72x = 13,398.32 × 5,460.69
4. Step 4: Simplify right side
   9,709.72x = 73,164,007.53
5. Step 5: Solve for x
   x = 73,164,007.53/9,709.72
6. Step 6: Final answer
   x = 7,535.13