Finding the Fourth Proportional to 5,250.74, 7,238.76 and 3,756.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,250.74 : 7,238.76 = 3,756.05 : x
2. Step 2: Convert to fraction form
   5,250.74/7,238.76 = 3,756.05/x
3. Step 3: Cross multiply
   5,250.74x = 7,238.76 × 3,756.05
4. Step 4: Simplify right side
   5,250.74x = 27,189,144.50
5. Step 5: Solve for x
   x = 27,189,144.50/5,250.74
6. Step 6: Final answer
   x = 5,178.15