Finding the Fourth Proportional to 5,730.15, 7,911.51 and 5,132.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,730.15 : 7,911.51 = 5,132.37 : x
2. Step 2: Convert to fraction form
   5,730.15/7,911.51 = 5,132.37/x
3. Step 3: Cross multiply
   5,730.15x = 7,911.51 × 5,132.37
4. Step 4: Simplify right side
   5,730.15x = 40,604,796.58
5. Step 5: Solve for x
   x = 40,604,796.58/5,730.15
6. Step 6: Final answer
   x = 7,086.17