Finding the Fourth Proportional to 6,200.72, 8,555.16 and 3,547.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,200.72 : 8,555.16 = 3,547.98 : x
2. Step 2: Convert to fraction form
   6,200.72/8,555.16 = 3,547.98/x
3. Step 3: Cross multiply
   6,200.72x = 8,555.16 × 3,547.98
4. Step 4: Simplify right side
   6,200.72x = 30,353,536.58
5. Step 5: Solve for x
   x = 30,353,536.58/6,200.72
6. Step 6: Final answer
   x = 4,895.16