Finding the Fourth Proportional to 6,457.50, 8,909.98 and 3,803.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,457.50 : 8,909.98 = 3,803.94 : x
2. Step 2: Convert to fraction form
   6,457.50/8,909.98 = 3,803.94/x
3. Step 3: Cross multiply
   6,457.50x = 8,909.98 × 3,803.94
4. Step 4: Simplify right side
   6,457.50x = 33,893,019.81
5. Step 5: Solve for x
   x = 33,893,019.81/6,457.50
6. Step 6: Final answer
   x = 5,248.63