Finding the Fourth Proportional to 5,685.41, 8,514.86 and 5,488.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,685.41 : 8,514.86 = 5,488.38 : x
2. Step 2: Convert to fraction form
   5,685.41/8,514.86 = 5,488.38/x
3. Step 3: Cross multiply
   5,685.41x = 8,514.86 × 5,488.38
4. Step 4: Simplify right side
   5,685.41x = 46,732,759.88
5. Step 5: Solve for x
   x = 46,732,759.88/5,685.41
6. Step 6: Final answer
   x = 8,219.77