Finding the Fourth Proportional to 2,086.74, 2,878.34 and 1,300.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.74 : 2,878.34 = 1,300.23 : x
2. Step 2: Convert to fraction form
   2,086.74/2,878.34 = 1,300.23/x
3. Step 3: Cross multiply
   2,086.74x = 2,878.34 × 1,300.23
4. Step 4: Simplify right side
   2,086.74x = 3,742,497.52
5. Step 5: Solve for x
   x = 3,742,497.52/2,086.74
6. Step 6: Final answer
   x = 1,793.47