Finding the Fourth Proportional to 2,018.48, 2,781.96 and 1,962.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.48 : 2,781.96 = 1,962.32 : x
2. Step 2: Convert to fraction form
   2,018.48/2,781.96 = 1,962.32/x
3. Step 3: Cross multiply
   2,018.48x = 2,781.96 × 1,962.32
4. Step 4: Simplify right side
   2,018.48x = 5,459,095.75
5. Step 5: Solve for x
   x = 5,459,095.75/2,018.48
6. Step 6: Final answer
   x = 2,704.56