Finding the Fourth Proportional to 2,580,787.82, 3,870,931.40 and 783,686.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580,787.82 : 3,870,931.40 = 783,686.84 : x
2. Step 2: Convert to fraction form
   2,580,787.82/3,870,931.40 = 783,686.84/x
3. Step 3: Cross multiply
   2,580,787.82x = 3,870,931.40 × 783,686.84
4. Step 4: Simplify right side
   2,580,787.82x = 3,033,597,996,722.78
5. Step 5: Solve for x
   x = 3,033,597,996,722.78/2,580,787.82
6. Step 6: Final answer
   x = 1,175,454.24