Finding the Fourth Proportional to 7,506.28, 10,362.90 and 5,151.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,506.28 : 10,362.90 = 5,151.88 : x
2. Step 2: Convert to fraction form
   7,506.28/10,362.90 = 5,151.88/x
3. Step 3: Cross multiply
   7,506.28x = 10,362.90 × 5,151.88
4. Step 4: Simplify right side
   7,506.28x = 53,388,417.25
5. Step 5: Solve for x
   x = 53,388,417.25/7,506.28
6. Step 6: Final answer
   x = 7,112.50