Finding the Fourth Proportional to 1,074.77, 1,600.59 and 1,038.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.77 : 1,600.59 = 1,038.32 : x
2. Step 2: Convert to fraction form
   1,074.77/1,600.59 = 1,038.32/x
3. Step 3: Cross multiply
   1,074.77x = 1,600.59 × 1,038.32
4. Step 4: Simplify right side
   1,074.77x = 1,661,919.42
5. Step 5: Solve for x
   x = 1,661,919.42/1,074.77
6. Step 6: Final answer
   x = 1,546.30