Finding the Fourth Proportional to 2,014.39, 2,781.15 and 1,384.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.39 : 2,781.15 = 1,384.71 : x
2. Step 2: Convert to fraction form
   2,014.39/2,781.15 = 1,384.71/x
3. Step 3: Cross multiply
   2,014.39x = 2,781.15 × 1,384.71
4. Step 4: Simplify right side
   2,014.39x = 3,851,086.22
5. Step 5: Solve for x
   x = 3,851,086.22/2,014.39
6. Step 6: Final answer
   x = 1,911.79