Finding the Fourth Proportional to 1,910,722.82, 2,863,911.38 and 998,498.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910,722.82 : 2,863,911.38 = 998,498.78 : x
2. Step 2: Convert to fraction form
   1,910,722.82/2,863,911.38 = 998,498.78/x
3. Step 3: Cross multiply
   1,910,722.82x = 2,863,911.38 × 998,498.78
4. Step 4: Simplify right side
   1,910,722.82x = 2,859,612,018,958.12
5. Step 5: Solve for x
   x = 2,859,612,018,958.12/1,910,722.82
6. Step 6: Final answer
   x = 1,496,612.69