Finding the Fourth Proportional to 1,603,628.72, 2,213,008 and 878,502.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603,628.72 : 2,213,008 = 878,502.54 : x
2. Step 2: Convert to fraction form
   1,603,628.72/2,213,008 = 878,502.54/x
3. Step 3: Cross multiply
   1,603,628.72x = 2,213,008 × 878,502.54
4. Step 4: Simplify right side
   1,603,628.72x = 1,944,133,149,040.32
5. Step 5: Solve for x
   x = 1,944,133,149,040.32/1,603,628.72
6. Step 6: Final answer
   x = 1,212,333.71