Finding the Fourth Proportional to 2,521.84, 3,480.83 and 1,637.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.84 : 3,480.83 = 1,637.59 : x
2. Step 2: Convert to fraction form
   2,521.84/3,480.83 = 1,637.59/x
3. Step 3: Cross multiply
   2,521.84x = 3,480.83 × 1,637.59
4. Step 4: Simplify right side
   2,521.84x = 5,700,172.40
5. Step 5: Solve for x
   x = 5,700,172.40/2,521.84
6. Step 6: Final answer
   x = 2,260.32