Finding the Fourth Proportional to 2,782.72, 4,175.68 and 1,051.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,782.72 : 4,175.68 = 1,051.52 : x
2. Step 2: Convert to fraction form
   2,782.72/4,175.68 = 1,051.52/x
3. Step 3: Cross multiply
   2,782.72x = 4,175.68 × 1,051.52
4. Step 4: Simplify right side
   2,782.72x = 4,390,811.03
5. Step 5: Solve for x
   x = 4,390,811.03/2,782.72
6. Step 6: Final answer
   x = 1,577.88