Finding the Fourth Proportional to 2,059.27, 2,841.51 and 1,387.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.27 : 2,841.51 = 1,387.68 : x
2. Step 2: Convert to fraction form
   2,059.27/2,841.51 = 1,387.68/x
3. Step 3: Cross multiply
   2,059.27x = 2,841.51 × 1,387.68
4. Step 4: Simplify right side
   2,059.27x = 3,943,105.42
5. Step 5: Solve for x
   x = 3,943,105.42/2,059.27
6. Step 6: Final answer
   x = 1,914.80