Finding the Fourth Proportional to 2,397,632.87, 3,597,016.55 and 778,398.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397,632.87 : 3,597,016.55 = 778,398.56 : x
2. Step 2: Convert to fraction form
   2,397,632.87/3,597,016.55 = 778,398.56/x
3. Step 3: Cross multiply
   2,397,632.87x = 3,597,016.55 × 778,398.56
4. Step 4: Simplify right side
   2,397,632.87x = 2,799,912,494,427.90
5. Step 5: Solve for x
   x = 2,799,912,494,427.90/2,397,632.87
6. Step 6: Final answer
   x = 1,167,781.99