Finding the Fourth Proportional to 2,220.15, 3,063.98 and 1,436.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,220.15 : 3,063.98 = 1,436.48 : x
2. Step 2: Convert to fraction form
   2,220.15/3,063.98 = 1,436.48/x
3. Step 3: Cross multiply
   2,220.15x = 3,063.98 × 1,436.48
4. Step 4: Simplify right side
   2,220.15x = 4,401,345.75
5. Step 5: Solve for x
   x = 4,401,345.75/2,220.15
6. Step 6: Final answer
   x = 1,982.45