Finding the Fourth Proportional to 9,722.29, 13,418.06 and 5,474.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,722.29 : 13,418.06 = 5,474.18 : x
2. Step 2: Convert to fraction form
   9,722.29/13,418.06 = 5,474.18/x
3. Step 3: Cross multiply
   9,722.29x = 13,418.06 × 5,474.18
4. Step 4: Simplify right side
   9,722.29x = 73,452,875.69
5. Step 5: Solve for x
   x = 73,452,875.69/9,722.29
6. Step 6: Final answer
   x = 7,555.10