Finding the Fourth Proportional to 2,389,329.15, 3,297,272.78 and 1,316,241.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389,329.15 : 3,297,272.78 = 1,316,241.15 : x
2. Step 2: Convert to fraction form
   2,389,329.15/3,297,272.78 = 1,316,241.15/x
3. Step 3: Cross multiply
   2,389,329.15x = 3,297,272.78 × 1,316,241.15
4. Step 4: Simplify right side
   2,389,329.15x = 4,340,006,109,229.69
5. Step 5: Solve for x
   x = 4,340,006,109,229.69/2,389,329.15
6. Step 6: Final answer
   x = 1,816,411.99