Finding the Fourth Proportional to 1,978.68, 2,728.86 and 1,482.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.68 : 2,728.86 = 1,482.42 : x
2. Step 2: Convert to fraction form
   1,978.68/2,728.86 = 1,482.42/x
3. Step 3: Cross multiply
   1,978.68x = 2,728.86 × 1,482.42
4. Step 4: Simplify right side
   1,978.68x = 4,045,316.64
5. Step 5: Solve for x
   x = 4,045,316.64/1,978.68
6. Step 6: Final answer
   x = 2,044.45