Finding the Fourth Proportional to 6,399.64, 8,830.83 and 3,746.53

Step by Step Solution

1. Step 1: Write the proportion equation
   6,399.64 : 8,830.83 = 3,746.53 : x
2. Step 2: Convert to fraction form
   6,399.64/8,830.83 = 3,746.53/x
3. Step 3: Cross multiply
   6,399.64x = 8,830.83 × 3,746.53
4. Step 4: Simplify right side
   6,399.64x = 33,084,969.52
5. Step 5: Solve for x
   x = 33,084,969.52/6,399.64
6. Step 6: Final answer
   x = 5,169.82