Finding the Fourth Proportional to 1,775.61, 2,645.57 and 1,676.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,775.61 : 2,645.57 = 1,676.25 : x
2. Step 2: Convert to fraction form
   1,775.61/2,645.57 = 1,676.25/x
3. Step 3: Cross multiply
   1,775.61x = 2,645.57 × 1,676.25
4. Step 4: Simplify right side
   1,775.61x = 4,434,636.71
5. Step 5: Solve for x
   x = 4,434,636.71/1,775.61
6. Step 6: Final answer
   x = 2,497.53