Finding the Fourth Proportional to 2,018.53, 2,786.63 and 1,358.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.53 : 2,786.63 = 1,358.86 : x
2. Step 2: Convert to fraction form
   2,018.53/2,786.63 = 1,358.86/x
3. Step 3: Cross multiply
   2,018.53x = 2,786.63 × 1,358.86
4. Step 4: Simplify right side
   2,018.53x = 3,786,633.25
5. Step 5: Solve for x
   x = 3,786,633.25/2,018.53
6. Step 6: Final answer
   x = 1,875.94