Finding the Fourth Proportional to 1,765.98, 2,645.31 and 1,375.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,765.98 : 2,645.31 = 1,375.56 : x
2. Step 2: Convert to fraction form
   1,765.98/2,645.31 = 1,375.56/x
3. Step 3: Cross multiply
   1,765.98x = 2,645.31 × 1,375.56
4. Step 4: Simplify right side
   1,765.98x = 3,638,782.62
5. Step 5: Solve for x
   x = 3,638,782.62/1,765.98
6. Step 6: Final answer
   x = 2,060.49