Finding the Fourth Proportional to 2,287,945.59, 3,431,922.57 and 939,168.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287,945.59 : 3,431,922.57 = 939,168.15 : x
2. Step 2: Convert to fraction form
   2,287,945.59/3,431,922.57 = 939,168.15/x
3. Step 3: Cross multiply
   2,287,945.59x = 3,431,922.57 × 939,168.15
4. Step 4: Simplify right side
   2,287,945.59x = 3,223,152,371,010.15
5. Step 5: Solve for x
   x = 3,223,152,371,010.15/2,287,945.59
6. Step 6: Final answer
   x = 1,408,753.94