Finding the Fourth Proportional to 9,729.83, 14,571.35 and 5,557.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,729.83 : 14,571.35 = 5,557.19 : x
2. Step 2: Convert to fraction form
   9,729.83/14,571.35 = 5,557.19/x
3. Step 3: Cross multiply
   9,729.83x = 14,571.35 × 5,557.19
4. Step 4: Simplify right side
   9,729.83x = 80,975,760.51
5. Step 5: Solve for x
   x = 80,975,760.51/9,729.83
6. Step 6: Final answer
   x = 8,322.42