Finding the Fourth Proportional to 965,196.50, 1,332,034.27 and 557,315.53

Step by Step Solution

1. Step 1: Write the proportion equation
   965,196.50 : 1,332,034.27 = 557,315.53 : x
2. Step 2: Convert to fraction form
   965,196.50/1,332,034.27 = 557,315.53/x
3. Step 3: Cross multiply
   965,196.50x = 1,332,034.27 × 557,315.53
4. Step 4: Simplify right side
   965,196.50x = 742,363,380,439.84
5. Step 5: Solve for x
   x = 742,363,380,439.84/965,196.50
6. Step 6: Final answer
   x = 769,131.87