Finding the Fourth Proportional to 8,514.82, 12,763.59 and 5,393.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,514.82 : 12,763.59 = 5,393.86 : x
2. Step 2: Convert to fraction form
   8,514.82/12,763.59 = 5,393.86/x
3. Step 3: Cross multiply
   8,514.82x = 12,763.59 × 5,393.86
4. Step 4: Simplify right side
   8,514.82x = 68,845,017.56
5. Step 5: Solve for x
   x = 68,845,017.56/8,514.82
6. Step 6: Final answer
   x = 8,085.32