Finding the Fourth Proportional to 2,717.15, 3,749.72 and 1,538.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,717.15 : 3,749.72 = 1,538.22 : x
2. Step 2: Convert to fraction form
   2,717.15/3,749.72 = 1,538.22/x
3. Step 3: Cross multiply
   2,717.15x = 3,749.72 × 1,538.22
4. Step 4: Simplify right side
   2,717.15x = 5,767,894.30
5. Step 5: Solve for x
   x = 5,767,894.30/2,717.15
6. Step 6: Final answer
   x = 2,122.77