Finding the Fourth Proportional to 10,200.72, 15,268.68 and 5,514.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,200.72 : 15,268.68 = 5,514.06 : x
2. Step 2: Convert to fraction form
   10,200.72/15,268.68 = 5,514.06/x
3. Step 3: Cross multiply
   10,200.72x = 15,268.68 × 5,514.06
4. Step 4: Simplify right side
   10,200.72x = 84,192,417.64
5. Step 5: Solve for x
   x = 84,192,417.64/10,200.72
6. Step 6: Final answer
   x = 8,253.58