Finding the Fourth Proportional to 2,092,978, 3,139,935 and 763,282

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092,978 : 3,139,935 = 763,282 : x
2. Step 2: Convert to fraction form
   2,092,978/3,139,935 = 763,282/x
3. Step 3: Cross multiply
   2,092,978x = 3,139,935 × 763,282
4. Step 4: Simplify right side
   2,092,978x = 2,396,655,866,670
5. Step 5: Solve for x
   x = 2,396,655,866,670/2,092,978
6. Step 6: Final answer
   x = 1,145,093.67