Finding the Fourth Proportional to 1,095.44, 1,510.83 and 776.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.44 : 1,510.83 = 776.25 : x
2. Step 2: Convert to fraction form
   1,095.44/1,510.83 = 776.25/x
3. Step 3: Cross multiply
   1,095.44x = 1,510.83 × 776.25
4. Step 4: Simplify right side
   1,095.44x = 1,172,781.79
5. Step 5: Solve for x
   x = 1,172,781.79/1,095.44
6. Step 6: Final answer
   x = 1,070.61