Finding the Fourth Proportional to 1,086,994.42, 1,623,171.82 and 887,710.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,994.42 : 1,623,171.82 = 887,710.12 : x
2. Step 2: Convert to fraction form
   1,086,994.42/1,623,171.82 = 887,710.12/x
3. Step 3: Cross multiply
   1,086,994.42x = 1,623,171.82 × 887,710.12
4. Step 4: Simplify right side
   1,086,994.42x = 1,440,906,051,112.82
5. Step 5: Solve for x
   x = 1,440,906,051,112.82/1,086,994.42
6. Step 6: Final answer
   x = 1,325,587.35