Finding the Fourth Proportional to 1,354,118.18, 1,869,947.17 and 871,523.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354,118.18 : 1,869,947.17 = 871,523.82 : x
2. Step 2: Convert to fraction form
   1,354,118.18/1,869,947.17 = 871,523.82/x
3. Step 3: Cross multiply
   1,354,118.18x = 1,869,947.17 × 871,523.82
4. Step 4: Simplify right side
   1,354,118.18x = 1,629,703,498,617.78
5. Step 5: Solve for x
   x = 1,629,703,498,617.78/1,354,118.18
6. Step 6: Final answer
   x = 1,203,516.45