Finding the Fourth Proportional to 6,435.54, 8,880.15 and 3,784.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,435.54 : 8,880.15 = 3,784.38 : x
2. Step 2: Convert to fraction form
   6,435.54/8,880.15 = 3,784.38/x
3. Step 3: Cross multiply
   6,435.54x = 8,880.15 × 3,784.38
4. Step 4: Simplify right side
   6,435.54x = 33,605,862.06
5. Step 5: Solve for x
   x = 33,605,862.06/6,435.54
6. Step 6: Final answer
   x = 5,221.92