Finding the Fourth Proportional to 7,502.55, 10,353.46 and 4,145.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,502.55 : 10,353.46 = 4,145.59 : x
2. Step 2: Convert to fraction form
   7,502.55/10,353.46 = 4,145.59/x
3. Step 3: Cross multiply
   7,502.55x = 10,353.46 × 4,145.59
4. Step 4: Simplify right side
   7,502.55x = 42,921,200.24
5. Step 5: Solve for x
   x = 42,921,200.24/7,502.55
6. Step 6: Final answer
   x = 5,720.88