Finding the Fourth Proportional to 6,399.56, 8,827.80 and 3,746.45

Step by Step Solution

1. Step 1: Write the proportion equation
   6,399.56 : 8,827.80 = 3,746.45 : x
2. Step 2: Convert to fraction form
   6,399.56/8,827.80 = 3,746.45/x
3. Step 3: Cross multiply
   6,399.56x = 8,827.80 × 3,746.45
4. Step 4: Simplify right side
   6,399.56x = 33,072,940.40
5. Step 5: Solve for x
   x = 33,072,940.40/6,399.56
6. Step 6: Final answer
   x = 5,168.00