Finding the Fourth Proportional to 3,155.72, 4,732.58 and 1,075.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,155.72 : 4,732.58 = 1,075.37 : x
2. Step 2: Convert to fraction form
   3,155.72/4,732.58 = 1,075.37/x
3. Step 3: Cross multiply
   3,155.72x = 4,732.58 × 1,075.37
4. Step 4: Simplify right side
   3,155.72x = 5,089,245.51
5. Step 5: Solve for x
   x = 5,089,245.51/3,155.72
6. Step 6: Final answer
   x = 1,612.71