Finding the Fourth Proportional to 1,359.04, 1,875.12 and 769.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.04 : 1,875.12 = 769.44 : x
2. Step 2: Convert to fraction form
   1,359.04/1,875.12 = 769.44/x
3. Step 3: Cross multiply
   1,359.04x = 1,875.12 × 769.44
4. Step 4: Simplify right side
   1,359.04x = 1,442,792.33
5. Step 5: Solve for x
   x = 1,442,792.33/1,359.04
6. Step 6: Final answer
   x = 1,061.63