Finding the Fourth Proportional to 2,095.76, 3,139.53 and 1,216.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.76 : 3,139.53 = 1,216.42 : x
2. Step 2: Convert to fraction form
   2,095.76/3,139.53 = 1,216.42/x
3. Step 3: Cross multiply
   2,095.76x = 3,139.53 × 1,216.42
4. Step 4: Simplify right side
   2,095.76x = 3,818,971.38
5. Step 5: Solve for x
   x = 3,818,971.38/2,095.76
6. Step 6: Final answer
   x = 1,822.24