Finding the Fourth Proportional to 2,518, 3,773.35 and 1,420.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518 : 3,773.35 = 1,420.03 : x
2. Step 2: Convert to fraction form
   2,518/3,773.35 = 1,420.03/x
3. Step 3: Cross multiply
   2,518x = 3,773.35 × 1,420.03
4. Step 4: Simplify right side
   2,518x = 5,358,270.20
5. Step 5: Solve for x
   x = 5,358,270.20/2,518
6. Step 6: Final answer
   x = 2,127.99