Finding the Fourth Proportional to 2,555.60, 3,526.89 and 1,673.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555.60 : 3,526.89 = 1,673.78 : x
2. Step 2: Convert to fraction form
   2,555.60/3,526.89 = 1,673.78/x
3. Step 3: Cross multiply
   2,555.60x = 3,526.89 × 1,673.78
4. Step 4: Simplify right side
   2,555.60x = 5,903,237.94
5. Step 5: Solve for x
   x = 5,903,237.94/2,555.60
6. Step 6: Final answer
   x = 2,309.92