Finding the Fourth Proportional to 1,150,672.72, 1,588,046.16 and 691,936.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,672.72 : 1,588,046.16 = 691,936.24 : x
2. Step 2: Convert to fraction form
   1,150,672.72/1,588,046.16 = 691,936.24/x
3. Step 3: Cross multiply
   1,150,672.72x = 1,588,046.16 × 691,936.24
4. Step 4: Simplify right side
   1,150,672.72x = 1,098,826,688,896.84
5. Step 5: Solve for x
   x = 1,098,826,688,896.84/1,150,672.72
6. Step 6: Final answer
   x = 954,942.85