Finding the Fourth Proportional to 10,574.36, 15,868.71 and 5,647.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,574.36 : 15,868.71 = 5,647.53 : x
2. Step 2: Convert to fraction form
   10,574.36/15,868.71 = 5,647.53/x
3. Step 3: Cross multiply
   10,574.36x = 15,868.71 × 5,647.53
4. Step 4: Simplify right side
   10,574.36x = 89,619,015.79
5. Step 5: Solve for x
   x = 89,619,015.79/10,574.36
6. Step 6: Final answer
   x = 8,475.13