Finding the Fourth Proportional to 1,353,111.07, 2,027,161 and 678,404.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353,111.07 : 2,027,161 = 678,404.83 : x
2. Step 2: Convert to fraction form
   1,353,111.07/2,027,161 = 678,404.83/x
3. Step 3: Cross multiply
   1,353,111.07x = 2,027,161 × 678,404.83
4. Step 4: Simplify right side
   1,353,111.07x = 1,375,235,813,587.63
5. Step 5: Solve for x
   x = 1,375,235,813,587.63/1,353,111.07
6. Step 6: Final answer
   x = 1,016,351.02