Finding the Fourth Proportional to 2,715.30, 3,746.70 and 1,536.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.30 : 3,746.70 = 1,536.15 : x
2. Step 2: Convert to fraction form
   2,715.30/3,746.70 = 1,536.15/x
3. Step 3: Cross multiply
   2,715.30x = 3,746.70 × 1,536.15
4. Step 4: Simplify right side
   2,715.30x = 5,755,493.21
5. Step 5: Solve for x
   x = 5,755,493.21/2,715.30
6. Step 6: Final answer
   x = 2,119.65