Finding the Fourth Proportional to 2,581,057.98, 3,871,580.04 and 961,789.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581,057.98 : 3,871,580.04 = 961,789.95 : x
2. Step 2: Convert to fraction form
   2,581,057.98/3,871,580.04 = 961,789.95/x
3. Step 3: Cross multiply
   2,581,057.98x = 3,871,580.04 × 961,789.95
4. Step 4: Simplify right side
   2,581,057.98x = 3,723,646,773,092.60
5. Step 5: Solve for x
   x = 3,723,646,773,092.60/2,581,057.98
6. Step 6: Final answer
   x = 1,442,682.34