Finding the Fourth Proportional to 2,553,743.89, 3,831,176.25 and 756,768

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553,743.89 : 3,831,176.25 = 756,768 : x
2. Step 2: Convert to fraction form
   2,553,743.89/3,831,176.25 = 756,768/x
3. Step 3: Cross multiply
   2,553,743.89x = 3,831,176.25 × 756,768
4. Step 4: Simplify right side
   2,553,743.89x = 2,899,311,588,360
5. Step 5: Solve for x
   x = 2,899,311,588,360/2,553,743.89
6. Step 6: Final answer
   x = 1,135,318.07