Finding the Fourth Proportional to 9,464.36, 13,061.25 and 5,486.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,464.36 : 13,061.25 = 5,486.72 : x
2. Step 2: Convert to fraction form
   9,464.36/13,061.25 = 5,486.72/x
3. Step 3: Cross multiply
   9,464.36x = 13,061.25 × 5,486.72
4. Step 4: Simplify right side
   9,464.36x = 71,663,356.29
5. Step 5: Solve for x
   x = 71,663,356.29/9,464.36
6. Step 6: Final answer
   x = 7,571.92