Finding the Fourth Proportional to 2,667,980.57, 4,002,081.57 and 774,722.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667,980.57 : 4,002,081.57 = 774,722.00 : x
2. Step 2: Convert to fraction form
   2,667,980.57/4,002,081.57 = 774,722.00/x
3. Step 3: Cross multiply
   2,667,980.57x = 4,002,081.57 × 774,722.00
4. Step 4: Simplify right side
   2,667,980.57x = 3,100,500,618,063.13
5. Step 5: Solve for x
   x = 3,100,500,618,063.13/2,667,980.57
6. Step 6: Final answer
   x = 1,162,115.14