Finding the Fourth Proportional to 2,485,401.98, 3,728,111.79 and 756,288.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,401.98 : 3,728,111.79 = 756,288.50 : x
2. Step 2: Convert to fraction form
   2,485,401.98/3,728,111.79 = 756,288.50/x
3. Step 3: Cross multiply
   2,485,401.98x = 3,728,111.79 × 756,288.50
4. Step 4: Simplify right side
   2,485,401.98x = 2,819,528,073,491.42
5. Step 5: Solve for x
   x = 2,819,528,073,491.42/2,485,401.98
6. Step 6: Final answer
   x = 1,134,435.43