Finding the Fourth Proportional to 2,715.76, 3,748.12 and 1,536.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.76 : 3,748.12 = 1,536.82 : x
2. Step 2: Convert to fraction form
   2,715.76/3,748.12 = 1,536.82/x
3. Step 3: Cross multiply
   2,715.76x = 3,748.12 × 1,536.82
4. Step 4: Simplify right side
   2,715.76x = 5,760,185.78
5. Step 5: Solve for x
   x = 5,760,185.78/2,715.76
6. Step 6: Final answer
   x = 2,121.02