Finding the Fourth Proportional to 2,157.47, 2,978.67 and 1,494.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157.47 : 2,978.67 = 1,494.08 : x
2. Step 2: Convert to fraction form
   2,157.47/2,978.67 = 1,494.08/x
3. Step 3: Cross multiply
   2,157.47x = 2,978.67 × 1,494.08
4. Step 4: Simplify right side
   2,157.47x = 4,450,356.38
5. Step 5: Solve for x
   x = 4,450,356.38/2,157.47
6. Step 6: Final answer
   x = 2,062.77