Finding the Fourth Proportional to 9,950.06, 13,729.56 and 5,757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,950.06 : 13,729.56 = 5,757.50 : x
2. Step 2: Convert to fraction form
   9,950.06/13,729.56 = 5,757.50/x
3. Step 3: Cross multiply
   9,950.06x = 13,729.56 × 5,757.50
4. Step 4: Simplify right side
   9,950.06x = 79,047,941.70
5. Step 5: Solve for x
   x = 79,047,941.70/9,950.06
6. Step 6: Final answer
   x = 7,944.47