Finding the Fourth Proportional to 1,978,880.38, 2,730,855.87 and 1,119,422.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,880.38 : 2,730,855.87 = 1,119,422.38 : x
2. Step 2: Convert to fraction form
   1,978,880.38/2,730,855.87 = 1,119,422.38/x
3. Step 3: Cross multiply
   1,978,880.38x = 2,730,855.87 × 1,119,422.38
4. Step 4: Simplify right side
   1,978,880.38x = 3,056,981,177,432.37
5. Step 5: Solve for x
   x = 3,056,981,177,432.37/1,978,880.38
6. Step 6: Final answer
   x = 1,544,803.42