Finding the Fourth Proportional to 2,086,972.94, 3,129,955.89 and 871,893.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,972.94 : 3,129,955.89 = 871,893.18 : x
2. Step 2: Convert to fraction form
   2,086,972.94/3,129,955.89 = 871,893.18/x
3. Step 3: Cross multiply
   2,086,972.94x = 3,129,955.89 × 871,893.18
4. Step 4: Simplify right side
   2,086,972.94x = 2,728,987,194,191.83
5. Step 5: Solve for x
   x = 2,728,987,194,191.83/2,086,972.94
6. Step 6: Final answer
   x = 1,307,629.41