Finding the Fourth Proportional to 3,383.78, 5,075.46 and 1,043.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,383.78 : 5,075.46 = 1,043.69 : x
2. Step 2: Convert to fraction form
   3,383.78/5,075.46 = 1,043.69/x
3. Step 3: Cross multiply
   3,383.78x = 5,075.46 × 1,043.69
4. Step 4: Simplify right side
   3,383.78x = 5,297,181.47
5. Step 5: Solve for x
   x = 5,297,181.47/3,383.78
6. Step 6: Final answer
   x = 1,565.47