Finding the Fourth Proportional to 2,599.03, 3,586.56 and 1,420.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.03 : 3,586.56 = 1,420.11 : x
2. Step 2: Convert to fraction form
   2,599.03/3,586.56 = 1,420.11/x
3. Step 3: Cross multiply
   2,599.03x = 3,586.56 × 1,420.11
4. Step 4: Simplify right side
   2,599.03x = 5,093,309.72
5. Step 5: Solve for x
   x = 5,093,309.72/2,599.03
6. Step 6: Final answer
   x = 1,959.70