Finding the Fourth Proportional to 1,040,280.15, 1,435,557.98 and 581,396.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040,280.15 : 1,435,557.98 = 581,396.52 : x
2. Step 2: Convert to fraction form
   1,040,280.15/1,435,557.98 = 581,396.52/x
3. Step 3: Cross multiply
   1,040,280.15x = 1,435,557.98 × 581,396.52
4. Step 4: Simplify right side
   1,040,280.15x = 834,628,410,923.25
5. Step 5: Solve for x
   x = 834,628,410,923.25/1,040,280.15
6. Step 6: Final answer
   x = 802,311.20