Finding the Fourth Proportional to 9,722.82, 13,417.47 and 5,531.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,722.82 : 13,417.47 = 5,531.07 : x
2. Step 2: Convert to fraction form
   9,722.82/13,417.47 = 5,531.07/x
3. Step 3: Cross multiply
   9,722.82x = 13,417.47 × 5,531.07
4. Step 4: Simplify right side
   9,722.82x = 74,212,965.79
5. Step 5: Solve for x
   x = 74,212,965.79/9,722.82
6. Step 6: Final answer
   x = 7,632.86