Finding the Fourth Proportional to 5,748.45, 7,936.02 and 5,412.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,748.45 : 7,936.02 = 5,412.30 : x
2. Step 2: Convert to fraction form
   5,748.45/7,936.02 = 5,412.30/x
3. Step 3: Cross multiply
   5,748.45x = 7,936.02 × 5,412.30
4. Step 4: Simplify right side
   5,748.45x = 42,952,121.05
5. Step 5: Solve for x
   x = 42,952,121.05/5,748.45
6. Step 6: Final answer
   x = 7,471.95