Finding the Fourth Proportional to 1,358.69, 1,874.68 and 769.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.69 : 1,874.68 = 769.01 : x
2. Step 2: Convert to fraction form
   1,358.69/1,874.68 = 769.01/x
3. Step 3: Cross multiply
   1,358.69x = 1,874.68 × 769.01
4. Step 4: Simplify right side
   1,358.69x = 1,441,636.37
5. Step 5: Solve for x
   x = 1,441,636.37/1,358.69
6. Step 6: Final answer
   x = 1,061.05