Finding the Fourth Proportional to 7,530.72, 11,300.16 and 3,148.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,530.72 : 11,300.16 = 3,148.56 : x
2. Step 2: Convert to fraction form
   7,530.72/11,300.16 = 3,148.56/x
3. Step 3: Cross multiply
   7,530.72x = 11,300.16 × 3,148.56
4. Step 4: Simplify right side
   7,530.72x = 35,579,231.77
5. Step 5: Solve for x
   x = 35,579,231.77/7,530.72
6. Step 6: Final answer
   x = 4,724.55