Finding the Fourth Proportional to 2,581,058.86, 3,871,581.35 and 961,790.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581,058.86 : 3,871,581.35 = 961,790.83 : x
2. Step 2: Convert to fraction form
   2,581,058.86/3,871,581.35 = 961,790.83/x
3. Step 3: Cross multiply
   2,581,058.86x = 3,871,581.35 × 961,790.83
4. Step 4: Simplify right side
   2,581,058.86x = 3,723,651,432,754.54
5. Step 5: Solve for x
   x = 3,723,651,432,754.54/2,581,058.86
6. Step 6: Final answer
   x = 1,442,683.66