Finding the Fourth Proportional to 2,715.65, 3,747.73 and 1,536.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.65 : 3,747.73 = 1,536.69 : x
2. Step 2: Convert to fraction form
   2,715.65/3,747.73 = 1,536.69/x
3. Step 3: Cross multiply
   2,715.65x = 3,747.73 × 1,536.69
4. Step 4: Simplify right side
   2,715.65x = 5,759,099.21
5. Step 5: Solve for x
   x = 5,759,099.21/2,715.65
6. Step 6: Final answer
   x = 2,120.71