Finding the Fourth Proportional to 9,923.82, 14,862.91 and 5,531.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,923.82 : 14,862.91 = 5,531.55 : x
2. Step 2: Convert to fraction form
   9,923.82/14,862.91 = 5,531.55/x
3. Step 3: Cross multiply
   9,923.82x = 14,862.91 × 5,531.55
4. Step 4: Simplify right side
   9,923.82x = 82,214,929.81
5. Step 5: Solve for x
   x = 82,214,929.81/9,923.82
6. Step 6: Final answer
   x = 8,284.61