Finding the Fourth Proportional to 9,900.18, 14,850.72 and 5,514.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900.18 : 14,850.72 = 5,514.33 : x
2. Step 2: Convert to fraction form
   9,900.18/14,850.72 = 5,514.33/x
3. Step 3: Cross multiply
   9,900.18x = 14,850.72 × 5,514.33
4. Step 4: Simplify right side
   9,900.18x = 81,891,770.82
5. Step 5: Solve for x
   x = 81,891,770.82/9,900.18
6. Step 6: Final answer
   x = 8,271.75