Finding the Fourth Proportional to 2,267.87, 3,401.83 and 707.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267.87 : 3,401.83 = 707.81 : x
2. Step 2: Convert to fraction form
   2,267.87/3,401.83 = 707.81/x
3. Step 3: Cross multiply
   2,267.87x = 3,401.83 × 707.81
4. Step 4: Simplify right side
   2,267.87x = 2,407,833.17
5. Step 5: Solve for x
   x = 2,407,833.17/2,267.87
6. Step 6: Final answer
   x = 1,061.72