Finding the Fourth Proportional to 9,724, 13,419.72 and 5,532.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,724 : 13,419.72 = 5,532.24 : x
2. Step 2: Convert to fraction form
   9,724/13,419.72 = 5,532.24/x
3. Step 3: Cross multiply
   9,724x = 13,419.72 × 5,532.24
4. Step 4: Simplify right side
   9,724x = 74,241,111.77
5. Step 5: Solve for x
   x = 74,241,111.77/9,724
6. Step 6: Final answer
   x = 7,634.83