Finding the Fourth Proportional to 6,237.98, 8,610.18 and 3,688.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,237.98 : 8,610.18 = 3,688.10 : x
2. Step 2: Convert to fraction form
   6,237.98/8,610.18 = 3,688.10/x
3. Step 3: Cross multiply
   6,237.98x = 8,610.18 × 3,688.10
4. Step 4: Simplify right side
   6,237.98x = 31,755,204.86
5. Step 5: Solve for x
   x = 31,755,204.86/6,237.98
6. Step 6: Final answer
   x = 5,090.62