Finding the Fourth Proportional to 2,715.42, 3,747.31 and 1,536.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.42 : 3,747.31 = 1,536.47 : x
2. Step 2: Convert to fraction form
   2,715.42/3,747.31 = 1,536.47/x
3. Step 3: Cross multiply
   2,715.42x = 3,747.31 × 1,536.47
4. Step 4: Simplify right side
   2,715.42x = 5,757,629.51
5. Step 5: Solve for x
   x = 5,757,629.51/2,715.42
6. Step 6: Final answer
   x = 2,120.34