Finding the Fourth Proportional to 2,715.61, 3,747.33 and 1,536.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.61 : 3,747.33 = 1,536.86 : x
2. Step 2: Convert to fraction form
   2,715.61/3,747.33 = 1,536.86/x
3. Step 3: Cross multiply
   2,715.61x = 3,747.33 × 1,536.86
4. Step 4: Simplify right side
   2,715.61x = 5,759,121.58
5. Step 5: Solve for x
   x = 5,759,121.58/2,715.61
6. Step 6: Final answer
   x = 2,120.75