Finding the Fourth Proportional to 2,945.52, 4,065.12 and 1,766.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.52 : 4,065.12 = 1,766.70 : x
2. Step 2: Convert to fraction form
   2,945.52/4,065.12 = 1,766.70/x
3. Step 3: Cross multiply
   2,945.52x = 4,065.12 × 1,766.70
4. Step 4: Simplify right side
   2,945.52x = 7,181,847.50
5. Step 5: Solve for x
   x = 7,181,847.50/2,945.52
6. Step 6: Final answer
   x = 2,438.23