Finding the Fourth Proportional to 2,907,131.36, 4,360,364.87 and 777,381.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,907,131.36 : 4,360,364.87 = 777,381.56 : x
2. Step 2: Convert to fraction form
   2,907,131.36/4,360,364.87 = 777,381.56/x
3. Step 3: Cross multiply
   2,907,131.36x = 4,360,364.87 × 777,381.56
4. Step 4: Simplify right side
   2,907,131.36x = 3,389,667,240,922.89
5. Step 5: Solve for x
   x = 3,389,667,240,922.89/2,907,131.36
6. Step 6: Final answer
   x = 1,165,983.51