Finding the Fourth Proportional to 1,095.05, 1,508.58 and 762.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.05 : 1,508.58 = 762.89 : x
2. Step 2: Convert to fraction form
   1,095.05/1,508.58 = 762.89/x
3. Step 3: Cross multiply
   1,095.05x = 1,508.58 × 762.89
4. Step 4: Simplify right side
   1,095.05x = 1,150,873.05
5. Step 5: Solve for x
   x = 1,150,873.05/1,095.05
6. Step 6: Final answer
   x = 1,050.98