Finding the Fourth Proportional to 2,783.72, 4,177.18 and 1,052.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.72 : 4,177.18 = 1,052.52 : x
2. Step 2: Convert to fraction form
   2,783.72/4,177.18 = 1,052.52/x
3. Step 3: Cross multiply
   2,783.72x = 4,177.18 × 1,052.52
4. Step 4: Simplify right side
   2,783.72x = 4,396,565.49
5. Step 5: Solve for x
   x = 4,396,565.49/2,783.72
6. Step 6: Final answer
   x = 1,579.38