Finding the Fourth Proportional to 1,359.03, 1,875.41 and 769.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.03 : 1,875.41 = 769.58 : x
2. Step 2: Convert to fraction form
   1,359.03/1,875.41 = 769.58/x
3. Step 3: Cross multiply
   1,359.03x = 1,875.41 × 769.58
4. Step 4: Simplify right side
   1,359.03x = 1,443,274.72
5. Step 5: Solve for x
   x = 1,443,274.72/1,359.03
6. Step 6: Final answer
   x = 1,061.99