Finding the Fourth Proportional to 2,018.16, 2,787.39 and 1,358.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.16 : 2,787.39 = 1,358.01 : x
2. Step 2: Convert to fraction form
   2,018.16/2,787.39 = 1,358.01/x
3. Step 3: Cross multiply
   2,018.16x = 2,787.39 × 1,358.01
4. Step 4: Simplify right side
   2,018.16x = 3,785,303.49
5. Step 5: Solve for x
   x = 3,785,303.49/2,018.16
6. Step 6: Final answer
   x = 1,875.62