Finding the Fourth Proportional to 2,511.20, 3,764.32 and 1,050.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,511.20 : 3,764.32 = 1,050.72 : x
2. Step 2: Convert to fraction form
   2,511.20/3,764.32 = 1,050.72/x
3. Step 3: Cross multiply
   2,511.20x = 3,764.32 × 1,050.72
4. Step 4: Simplify right side
   2,511.20x = 3,955,246.31
5. Step 5: Solve for x
   x = 3,955,246.31/2,511.20
6. Step 6: Final answer
   x = 1,575.04