Finding the Fourth Proportional to 9,729.37, 13,426.55 and 5,752.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,729.37 : 13,426.55 = 5,752.45 : x
2. Step 2: Convert to fraction form
   9,729.37/13,426.55 = 5,752.45/x
3. Step 3: Cross multiply
   9,729.37x = 13,426.55 × 5,752.45
4. Step 4: Simplify right side
   9,729.37x = 77,235,557.55
5. Step 5: Solve for x
   x = 77,235,557.55/9,729.37
6. Step 6: Final answer
   x = 7,938.39