Finding the Fourth Proportional to 2,267.76, 3,401.17 and 707.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267.76 : 3,401.17 = 707.50 : x
2. Step 2: Convert to fraction form
   2,267.76/3,401.17 = 707.50/x
3. Step 3: Cross multiply
   2,267.76x = 3,401.17 × 707.50
4. Step 4: Simplify right side
   2,267.76x = 2,406,327.78
5. Step 5: Solve for x
   x = 2,406,327.78/2,267.76
6. Step 6: Final answer
   x = 1,061.10