Finding the Fourth Proportional to 6,374.89, 8,797.17 and 3,856.60

Step by Step Solution

1. Step 1: Write the proportion equation
   6,374.89 : 8,797.17 = 3,856.60 : x
2. Step 2: Convert to fraction form
   6,374.89/8,797.17 = 3,856.60/x
3. Step 3: Cross multiply
   6,374.89x = 8,797.17 × 3,856.60
4. Step 4: Simplify right side
   6,374.89x = 33,927,165.82
5. Step 5: Solve for x
   x = 33,927,165.82/6,374.89
6. Step 6: Final answer
   x = 5,322.00