Finding the Fourth Proportional to 2,556.47, 3,831.50 and 1,093.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.47 : 3,831.50 = 1,093.91 : x
2. Step 2: Convert to fraction form
   2,556.47/3,831.50 = 1,093.91/x
3. Step 3: Cross multiply
   2,556.47x = 3,831.50 × 1,093.91
4. Step 4: Simplify right side
   2,556.47x = 4,191,316.17
5. Step 5: Solve for x
   x = 4,191,316.17/2,556.47
6. Step 6: Final answer
   x = 1,639.49