Finding the Fourth Proportional to 3,384.56, 5,075.12 and 1,075.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,384.56 : 5,075.12 = 1,075.52 : x
2. Step 2: Convert to fraction form
   3,384.56/5,075.12 = 1,075.52/x
3. Step 3: Cross multiply
   3,384.56x = 5,075.12 × 1,075.52
4. Step 4: Simplify right side
   3,384.56x = 5,458,393.06
5. Step 5: Solve for x
   x = 5,458,393.06/3,384.56
6. Step 6: Final answer
   x = 1,612.73