Finding the Fourth Proportional to 5,182.85, 7,152.52 and 2,945.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,182.85 : 7,152.52 = 2,945.10 : x
2. Step 2: Convert to fraction form
   5,182.85/7,152.52 = 2,945.10/x
3. Step 3: Cross multiply
   5,182.85x = 7,152.52 × 2,945.10
4. Step 4: Simplify right side
   5,182.85x = 21,064,871.40
5. Step 5: Solve for x
   x = 21,064,871.40/5,182.85
6. Step 6: Final answer
   x = 4,064.34