Finding the Fourth Proportional to 6,215.10, 8,575.88 and 3,697.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,215.10 : 8,575.88 = 3,697.16 : x
2. Step 2: Convert to fraction form
   6,215.10/8,575.88 = 3,697.16/x
3. Step 3: Cross multiply
   6,215.10x = 8,575.88 × 3,697.16
4. Step 4: Simplify right side
   6,215.10x = 31,706,400.50
5. Step 5: Solve for x
   x = 31,706,400.50/6,215.10
6. Step 6: Final answer
   x = 5,101.51