Finding the Fourth Proportional to 9,629.50, 13,288.72 and 5,437.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,629.50 : 13,288.72 = 5,437.76 : x
2. Step 2: Convert to fraction form
   9,629.50/13,288.72 = 5,437.76/x
3. Step 3: Cross multiply
   9,629.50x = 13,288.72 × 5,437.76
4. Step 4: Simplify right side
   9,629.50x = 72,260,870.07
5. Step 5: Solve for x
   x = 72,260,870.07/9,629.50
6. Step 6: Final answer
   x = 7,504.11