Finding the Fourth Proportional to 2,599.34, 3,587.04 and 1,420.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.34 : 3,587.04 = 1,420.38 : x
2. Step 2: Convert to fraction form
   2,599.34/3,587.04 = 1,420.38/x
3. Step 3: Cross multiply
   2,599.34x = 3,587.04 × 1,420.38
4. Step 4: Simplify right side
   2,599.34x = 5,094,959.88
5. Step 5: Solve for x
   x = 5,094,959.88/2,599.34
6. Step 6: Final answer
   x = 1,960.10