Finding the Fourth Proportional to 2,715.89, 3,748.29 and 1,536.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.89 : 3,748.29 = 1,536.96 : x
2. Step 2: Convert to fraction form
   2,715.89/3,748.29 = 1,536.96/x
3. Step 3: Cross multiply
   2,715.89x = 3,748.29 × 1,536.96
4. Step 4: Simplify right side
   2,715.89x = 5,760,980.09
5. Step 5: Solve for x
   x = 5,760,980.09/2,715.89
6. Step 6: Final answer
   x = 2,121.21