Finding the Fourth Proportional to 2,626,081.79, 3,940,892.94 and 920,240.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626,081.79 : 3,940,892.94 = 920,240.40 : x
2. Step 2: Convert to fraction form
   2,626,081.79/3,940,892.94 = 920,240.40/x
3. Step 3: Cross multiply
   2,626,081.79x = 3,940,892.94 × 920,240.40
4. Step 4: Simplify right side
   2,626,081.79x = 3,626,568,895,462.78
5. Step 5: Solve for x
   x = 3,626,568,895,462.78/2,626,081.79
6. Step 6: Final answer
   x = 1,380,980.94