Finding the Fourth Proportional to 9,724.30, 13,419.39 and 5,475.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,724.30 : 13,419.39 = 5,475.04 : x
2. Step 2: Convert to fraction form
   9,724.30/13,419.39 = 5,475.04/x
3. Step 3: Cross multiply
   9,724.30x = 13,419.39 × 5,475.04
4. Step 4: Simplify right side
   9,724.30x = 73,471,697.03
5. Step 5: Solve for x
   x = 73,471,697.03/9,724.30
6. Step 6: Final answer
   x = 7,555.47