Finding the Fourth Proportional to 2,553.89, 3,525.98 and 1,671.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.89 : 3,525.98 = 1,671.18 : x
2. Step 2: Convert to fraction form
   2,553.89/3,525.98 = 1,671.18/x
3. Step 3: Cross multiply
   2,553.89x = 3,525.98 × 1,671.18
4. Step 4: Simplify right side
   2,553.89x = 5,892,538.90
5. Step 5: Solve for x
   x = 5,892,538.90/2,553.89
6. Step 6: Final answer
   x = 2,307.28