Finding the Fourth Proportional to 2,092,980, 3,139,938 and 763,284

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092,980 : 3,139,938 = 763,284 : x
2. Step 2: Convert to fraction form
   2,092,980/3,139,938 = 763,284/x
3. Step 3: Cross multiply
   2,092,980x = 3,139,938 × 763,284
4. Step 4: Simplify right side
   2,092,980x = 2,396,664,436,392
5. Step 5: Solve for x
   x = 2,396,664,436,392/2,092,980
6. Step 6: Final answer
   x = 1,145,096.67