Finding the Fourth Proportional to 7,151.05, 10,715.61 and 3,250.90

Step by Step Solution

1. Step 1: Write the proportion equation
   7,151.05 : 10,715.61 = 3,250.90 : x
2. Step 2: Convert to fraction form
   7,151.05/10,715.61 = 3,250.90/x
3. Step 3: Cross multiply
   7,151.05x = 10,715.61 × 3,250.90
4. Step 4: Simplify right side
   7,151.05x = 34,835,376.55
5. Step 5: Solve for x
   x = 34,835,376.55/7,151.05
6. Step 6: Final answer
   x = 4,871.37