Finding the Fourth Proportional to 1,150.76, 1,588.77 and 758.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.76 : 1,588.77 = 758.45 : x
2. Step 2: Convert to fraction form
   1,150.76/1,588.77 = 758.45/x
3. Step 3: Cross multiply
   1,150.76x = 1,588.77 × 758.45
4. Step 4: Simplify right side
   1,150.76x = 1,205,002.61
5. Step 5: Solve for x
   x = 1,205,002.61/1,150.76
6. Step 6: Final answer
   x = 1,047.14