Finding the Fourth Proportional to 2,945.55, 4,064.70 and 1,766.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.55 : 4,064.70 = 1,766.37 : x
2. Step 2: Convert to fraction form
   2,945.55/4,064.70 = 1,766.37/x
3. Step 3: Cross multiply
   2,945.55x = 4,064.70 × 1,766.37
4. Step 4: Simplify right side
   2,945.55x = 7,179,764.14
5. Step 5: Solve for x
   x = 7,179,764.14/2,945.55
6. Step 6: Final answer
   x = 2,437.50