Finding the Fourth Proportional to 2,287,499.27, 3,431,273.54 and 690,076.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287,499.27 : 3,431,273.54 = 690,076.19 : x
2. Step 2: Convert to fraction form
   2,287,499.27/3,431,273.54 = 690,076.19/x
3. Step 3: Cross multiply
   2,287,499.27x = 3,431,273.54 × 690,076.19
4. Step 4: Simplify right side
   2,287,499.27x = 2,367,840,176,458.82
5. Step 5: Solve for x
   x = 2,367,840,176,458.82/2,287,499.27
6. Step 6: Final answer
   x = 1,035,121.72