Finding the Fourth Proportional to 2,628,921.30, 3,940,271.55 and 1,112,601.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628,921.30 : 3,940,271.55 = 1,112,601.30 : x
2. Step 2: Convert to fraction form
   2,628,921.30/3,940,271.55 = 1,112,601.30/x
3. Step 3: Cross multiply
   2,628,921.30x = 3,940,271.55 × 1,112,601.30
4. Step 4: Simplify right side
   2,628,921.30x = 4,383,951,248,883.02
5. Step 5: Solve for x
   x = 4,383,951,248,883.02/2,628,921.30
6. Step 6: Final answer
   x = 1,667,585.58