Finding the Fourth Proportional to 9,724.72, 13,419.64 and 5,475.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,724.72 : 13,419.64 = 5,475.84 : x
2. Step 2: Convert to fraction form
   9,724.72/13,419.64 = 5,475.84/x
3. Step 3: Cross multiply
   9,724.72x = 13,419.64 × 5,475.84
4. Step 4: Simplify right side
   9,724.72x = 73,483,801.50
5. Step 5: Solve for x
   x = 73,483,801.50/9,724.72
6. Step 6: Final answer
   x = 7,556.39