Finding the Fourth Proportional to 2,270.80, 3,401.34 and 1,402.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.80 : 3,401.34 = 1,402.48 : x
2. Step 2: Convert to fraction form
   2,270.80/3,401.34 = 1,402.48/x
3. Step 3: Cross multiply
   2,270.80x = 3,401.34 × 1,402.48
4. Step 4: Simplify right side
   2,270.80x = 4,770,311.32
5. Step 5: Solve for x
   x = 4,770,311.32/2,270.80
6. Step 6: Final answer
   x = 2,100.72