Finding the Fourth Proportional to 2,599.41, 3,587.18 and 1,420.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.41 : 3,587.18 = 1,420.50 : x
2. Step 2: Convert to fraction form
   2,599.41/3,587.18 = 1,420.50/x
3. Step 3: Cross multiply
   2,599.41x = 3,587.18 × 1,420.50
4. Step 4: Simplify right side
   2,599.41x = 5,095,582.09
5. Step 5: Solve for x
   x = 5,095,582.09/2,599.41
6. Step 6: Final answer
   x = 1,960.28