Finding the Fourth Proportional to 9,722.18, 13,417.89 and 5,529.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,722.18 : 13,417.89 = 5,529.62 : x
2. Step 2: Convert to fraction form
   9,722.18/13,417.89 = 5,529.62/x
3. Step 3: Cross multiply
   9,722.18x = 13,417.89 × 5,529.62
4. Step 4: Simplify right side
   9,722.18x = 74,195,832.90
5. Step 5: Solve for x
   x = 74,195,832.90/9,722.18
6. Step 6: Final answer
   x = 7,631.60