Finding the Fourth Proportional to 2,160.18, 2,978.82 and 1,451.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160.18 : 2,978.82 = 1,451.25 : x
2. Step 2: Convert to fraction form
   2,160.18/2,978.82 = 1,451.25/x
3. Step 3: Cross multiply
   2,160.18x = 2,978.82 × 1,451.25
4. Step 4: Simplify right side
   2,160.18x = 4,323,012.53
5. Step 5: Solve for x
   x = 4,323,012.53/2,160.18
6. Step 6: Final answer
   x = 2,001.23