Finding the Fourth Proportional to 5,155.02, 7,120.71 and 3,952.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,155.02 : 7,120.71 = 3,952.71 : x
2. Step 2: Convert to fraction form
   5,155.02/7,120.71 = 3,952.71/x
3. Step 3: Cross multiply
   5,155.02x = 7,120.71 × 3,952.71
4. Step 4: Simplify right side
   5,155.02x = 28,146,101.62
5. Step 5: Solve for x
   x = 28,146,101.62/5,155.02
6. Step 6: Final answer
   x = 5,459.94