Finding the Fourth Proportional to 2,018.86, 3,027.98 and 702.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.86 : 3,027.98 = 702.81 : x
2. Step 2: Convert to fraction form
   2,018.86/3,027.98 = 702.81/x
3. Step 3: Cross multiply
   2,018.86x = 3,027.98 × 702.81
4. Step 4: Simplify right side
   2,018.86x = 2,128,096.38
5. Step 5: Solve for x
   x = 2,128,096.38/2,018.86
6. Step 6: Final answer
   x = 1,054.11