Finding the Fourth Proportional to 2,635.92, 3,637.58 and 1,440.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.92 : 3,637.58 = 1,440.93 : x
2. Step 2: Convert to fraction form
   2,635.92/3,637.58 = 1,440.93/x
3. Step 3: Cross multiply
   2,635.92x = 3,637.58 × 1,440.93
4. Step 4: Simplify right side
   2,635.92x = 5,241,498.15
5. Step 5: Solve for x
   x = 5,241,498.15/2,635.92
6. Step 6: Final answer
   x = 1,988.49