Finding the Fourth Proportional to 2,640,145.99, 3,961,884.98 and 1,123,826.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640,145.99 : 3,961,884.98 = 1,123,826.61 : x
2. Step 2: Convert to fraction form
   2,640,145.99/3,961,884.98 = 1,123,826.61/x
3. Step 3: Cross multiply
   2,640,145.99x = 3,961,884.98 × 1,123,826.61
4. Step 4: Simplify right side
   2,640,145.99x = 4,452,471,766,283.32
5. Step 5: Solve for x
   x = 4,452,471,766,283.32/2,640,145.99
6. Step 6: Final answer
   x = 1,686,449.08