Finding the Fourth Proportional to 2,715.40, 3,747.32 and 1,536.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.40 : 3,747.32 = 1,536.24 : x
2. Step 2: Convert to fraction form
   2,715.40/3,747.32 = 1,536.24/x
3. Step 3: Cross multiply
   2,715.40x = 3,747.32 × 1,536.24
4. Step 4: Simplify right side
   2,715.40x = 5,756,782.88
5. Step 5: Solve for x
   x = 5,756,782.88/2,715.40
6. Step 6: Final answer
   x = 2,120.05