Finding the Fourth Proportional to 11,572.47, 17,356.50 and 5,643.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,572.47 : 17,356.50 = 5,643.42 : x
2. Step 2: Convert to fraction form
   11,572.47/17,356.50 = 5,643.42/x
3. Step 3: Cross multiply
   11,572.47x = 17,356.50 × 5,643.42
4. Step 4: Simplify right side
   11,572.47x = 97,950,019.23
5. Step 5: Solve for x
   x = 97,950,019.23/11,572.47
6. Step 6: Final answer
   x = 8,464.05