Finding the Fourth Proportional to 5,958.07, 8,216.74 and 3,720.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,958.07 : 8,216.74 = 3,720.15 : x
2. Step 2: Convert to fraction form
   5,958.07/8,216.74 = 3,720.15/x
3. Step 3: Cross multiply
   5,958.07x = 8,216.74 × 3,720.15
4. Step 4: Simplify right side
   5,958.07x = 30,567,505.31
5. Step 5: Solve for x
   x = 30,567,505.31/5,958.07
6. Step 6: Final answer
   x = 5,130.44