Finding the Fourth Proportional to 2,599.53, 3,587.25 and 1,420.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.53 : 3,587.25 = 1,420.62 : x
2. Step 2: Convert to fraction form
   2,599.53/3,587.25 = 1,420.62/x
3. Step 3: Cross multiply
   2,599.53x = 3,587.25 × 1,420.62
4. Step 4: Simplify right side
   2,599.53x = 5,096,119.10
5. Step 5: Solve for x
   x = 5,096,119.10/2,599.53
6. Step 6: Final answer
   x = 1,960.40