Finding the Fourth Proportional to 2,536.47, 3,788.03 and 2,162.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,536.47 : 3,788.03 = 2,162.28 : x
2. Step 2: Convert to fraction form
   2,536.47/3,788.03 = 2,162.28/x
3. Step 3: Cross multiply
   2,536.47x = 3,788.03 × 2,162.28
4. Step 4: Simplify right side
   2,536.47x = 8,190,781.51
5. Step 5: Solve for x
   x = 8,190,781.51/2,536.47
6. Step 6: Final answer
   x = 3,229.20