Finding the Fourth Proportional to 969,123.78, 1,337,403.49 and 533,591.78

Step by Step Solution

1. Step 1: Write the proportion equation
   969,123.78 : 1,337,403.49 = 533,591.78 : x
2. Step 2: Convert to fraction form
   969,123.78/1,337,403.49 = 533,591.78/x
3. Step 3: Cross multiply
   969,123.78x = 1,337,403.49 × 533,591.78
4. Step 4: Simplify right side
   969,123.78x = 713,627,500,786.32
5. Step 5: Solve for x
   x = 713,627,500,786.32/969,123.78
6. Step 6: Final answer
   x = 736,363.63