Finding the Fourth Proportional to 2,599.33, 3,587.15 and 1,420.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.33 : 3,587.15 = 1,420.48 : x
2. Step 2: Convert to fraction form
   2,599.33/3,587.15 = 1,420.48/x
3. Step 3: Cross multiply
   2,599.33x = 3,587.15 × 1,420.48
4. Step 4: Simplify right side
   2,599.33x = 5,095,456.90
5. Step 5: Solve for x
   x = 5,095,456.90/2,599.33
6. Step 6: Final answer
   x = 1,960.30