Finding the Fourth Proportional to 7,502.75, 10,353.89 and 4,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,502.75 : 10,353.89 = 4,145.50 : x
2. Step 2: Convert to fraction form
   7,502.75/10,353.89 = 4,145.50/x
3. Step 3: Cross multiply
   7,502.75x = 10,353.89 × 4,145.50
4. Step 4: Simplify right side
   7,502.75x = 42,922,004.38
5. Step 5: Solve for x
   x = 42,922,004.38/7,502.75
6. Step 6: Final answer
   x = 5,720.83