Finding the Fourth Proportional to 2,069.01, 3,101.58 and 769.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.01 : 3,101.58 = 769.50 : x
2. Step 2: Convert to fraction form
   2,069.01/3,101.58 = 769.50/x
3. Step 3: Cross multiply
   2,069.01x = 3,101.58 × 769.50
4. Step 4: Simplify right side
   2,069.01x = 2,386,665.81
5. Step 5: Solve for x
   x = 2,386,665.81/2,069.01
6. Step 6: Final answer
   x = 1,153.53