Finding the Fourth Proportional to 2,561.43, 3,835.99 and 1,737.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.43 : 3,835.99 = 1,737.21 : x
2. Step 2: Convert to fraction form
   2,561.43/3,835.99 = 1,737.21/x
3. Step 3: Cross multiply
   2,561.43x = 3,835.99 × 1,737.21
4. Step 4: Simplify right side
   2,561.43x = 6,663,892.32
5. Step 5: Solve for x
   x = 6,663,892.32/2,561.43
6. Step 6: Final answer
   x = 2,601.63