Finding the Fourth Proportional to 6,210.18, 8,566.56 and 3,689.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,210.18 : 8,566.56 = 3,689.82 : x
2. Step 2: Convert to fraction form
   6,210.18/8,566.56 = 3,689.82/x
3. Step 3: Cross multiply
   6,210.18x = 8,566.56 × 3,689.82
4. Step 4: Simplify right side
   6,210.18x = 31,609,064.42
5. Step 5: Solve for x
   x = 31,609,064.42/6,210.18
6. Step 6: Final answer
   x = 5,089.88