Finding the Fourth Proportional to 1,783,101, 2,460,722.60 and 978,285

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783,101 : 2,460,722.60 = 978,285 : x
2. Step 2: Convert to fraction form
   1,783,101/2,460,722.60 = 978,285/x
3. Step 3: Cross multiply
   1,783,101x = 2,460,722.60 × 978,285
4. Step 4: Simplify right side
   1,783,101x = 2,407,288,008,741
5. Step 5: Solve for x
   x = 2,407,288,008,741/1,783,101
6. Step 6: Final answer
   x = 1,350,057.01