Finding the Fourth Proportional to 5,308.72, 7,325.58 and 2,950.90

Step by Step Solution

1. Step 1: Write the proportion equation
   5,308.72 : 7,325.58 = 2,950.90 : x
2. Step 2: Convert to fraction form
   5,308.72/7,325.58 = 2,950.90/x
3. Step 3: Cross multiply
   5,308.72x = 7,325.58 × 2,950.90
4. Step 4: Simplify right side
   5,308.72x = 21,617,054.02
5. Step 5: Solve for x
   x = 21,617,054.02/5,308.72
6. Step 6: Final answer
   x = 4,071.99