Finding the Fourth Proportional to 1,050.72, 1,575.60 and 758.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.72 : 1,575.60 = 758.04 : x
2. Step 2: Convert to fraction form
   1,050.72/1,575.60 = 758.04/x
3. Step 3: Cross multiply
   1,050.72x = 1,575.60 × 758.04
4. Step 4: Simplify right side
   1,050.72x = 1,194,367.82
5. Step 5: Solve for x
   x = 1,194,367.82/1,050.72
6. Step 6: Final answer
   x = 1,136.71