Finding the Fourth Proportional to 2,663,080.79, 3,994,650.34 and 769,838.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663,080.79 : 3,994,650.34 = 769,838.63 : x
2. Step 2: Convert to fraction form
   2,663,080.79/3,994,650.34 = 769,838.63/x
3. Step 3: Cross multiply
   2,663,080.79x = 3,994,650.34 × 769,838.63
4. Step 4: Simplify right side
   2,663,080.79x = 3,075,236,123,176.79
5. Step 5: Solve for x
   x = 3,075,236,123,176.79/2,663,080.79
6. Step 6: Final answer
   x = 1,154,766.37