Finding the Fourth Proportional to 6,514.88, 8,994.72 and 5,815.04

Step by Step Solution

1. Step 1: Write the proportion equation
   6,514.88 : 8,994.72 = 5,815.04 : x
2. Step 2: Convert to fraction form
   6,514.88/8,994.72 = 5,815.04/x
3. Step 3: Cross multiply
   6,514.88x = 8,994.72 × 5,815.04
4. Step 4: Simplify right side
   6,514.88x = 52,304,656.59
5. Step 5: Solve for x
   x = 52,304,656.59/6,514.88
6. Step 6: Final answer
   x = 8,028.49