Finding the Fourth Proportional to 6,408.47, 8,844.30 and 3,890.00

Step by Step Solution

1. Step 1: Write the proportion equation
   6,408.47 : 8,844.30 = 3,890.00 : x
2. Step 2: Convert to fraction form
   6,408.47/8,844.30 = 3,890.00/x
3. Step 3: Cross multiply
   6,408.47x = 8,844.30 × 3,890.00
4. Step 4: Simplify right side
   6,408.47x = 34,404,282.78
5. Step 5: Solve for x
   x = 34,404,282.78/6,408.47
6. Step 6: Final answer
   x = 5,368.57