Finding the Fourth Proportional to 8,074.50, 12,116.61 and 3,457.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,074.50 : 12,116.61 = 3,457.50 : x
2. Step 2: Convert to fraction form
   8,074.50/12,116.61 = 3,457.50/x
3. Step 3: Cross multiply
   8,074.50x = 12,116.61 × 3,457.50
4. Step 4: Simplify right side
   8,074.50x = 41,893,179.08
5. Step 5: Solve for x
   x = 41,893,179.08/8,074.50
6. Step 6: Final answer
   x = 5,188.33