Finding the Fourth Proportional to 6,075.21, 8,383.71 and 3,422.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,075.21 : 8,383.71 = 3,422.88 : x
2. Step 2: Convert to fraction form
   6,075.21/8,383.71 = 3,422.88/x
3. Step 3: Cross multiply
   6,075.21x = 8,383.71 × 3,422.88
4. Step 4: Simplify right side
   6,075.21x = 28,696,433.28
5. Step 5: Solve for x
   x = 28,696,433.28/6,075.21
6. Step 6: Final answer
   x = 4,723.53