Finding the Fourth Proportional to 1,050.79, 1,575.15 and 758.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.79 : 1,575.15 = 758.10 : x
2. Step 2: Convert to fraction form
   1,050.79/1,575.15 = 758.10/x
3. Step 3: Cross multiply
   1,050.79x = 1,575.15 × 758.10
4. Step 4: Simplify right side
   1,050.79x = 1,194,127.97
5. Step 5: Solve for x
   x = 1,194,127.97/1,050.79
6. Step 6: Final answer
   x = 1,136.41