Finding the Fourth Proportional to 6,436.53, 8,883.57 and 3,784.08

Step by Step Solution

1. Step 1: Write the proportion equation
   6,436.53 : 8,883.57 = 3,784.08 : x
2. Step 2: Convert to fraction form
   6,436.53/8,883.57 = 3,784.08/x
3. Step 3: Cross multiply
   6,436.53x = 8,883.57 × 3,784.08
4. Step 4: Simplify right side
   6,436.53x = 33,616,139.57
5. Step 5: Solve for x
   x = 33,616,139.57/6,436.53
6. Step 6: Final answer
   x = 5,222.71