Finding the Fourth Proportional to 2,599.94, 3,587.73 and 1,420.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.94 : 3,587.73 = 1,420.76 : x
2. Step 2: Convert to fraction form
   2,599.94/3,587.73 = 1,420.76/x
3. Step 3: Cross multiply
   2,599.94x = 3,587.73 × 1,420.76
4. Step 4: Simplify right side
   2,599.94x = 5,097,303.27
5. Step 5: Solve for x
   x = 5,097,303.27/2,599.94
6. Step 6: Final answer
   x = 1,960.55