Finding the Fourth Proportional to 1,269,610.56, 1,752,057.72 and 696,660.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269,610.56 : 1,752,057.72 = 696,660.30 : x
2. Step 2: Convert to fraction form
   1,269,610.56/1,752,057.72 = 696,660.30/x
3. Step 3: Cross multiply
   1,269,610.56x = 1,752,057.72 × 696,660.30
4. Step 4: Simplify right side
   1,269,610.56x = 1,220,589,056,832.52
5. Step 5: Solve for x
   x = 1,220,589,056,832.52/1,269,610.56
6. Step 6: Final answer
   x = 961,388.55