Finding the Fourth Proportional to 2,689,552.68, 4,034,372.79 and 770,456.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689,552.68 : 4,034,372.79 = 770,456.42 : x
2. Step 2: Convert to fraction form
   2,689,552.68/4,034,372.79 = 770,456.42/x
3. Step 3: Cross multiply
   2,689,552.68x = 4,034,372.79 × 770,456.42
4. Step 4: Simplify right side
   2,689,552.68x = 3,108,308,416,728.81
5. Step 5: Solve for x
   x = 3,108,308,416,728.81/2,689,552.68
6. Step 6: Final answer
   x = 1,155,697.17