Finding the Fourth Proportional to 2,151.44, 2,966.15 and 1,404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.44 : 2,966.15 = 1,404.10 : x
2. Step 2: Convert to fraction form
   2,151.44/2,966.15 = 1,404.10/x
3. Step 3: Cross multiply
   2,151.44x = 2,966.15 × 1,404.10
4. Step 4: Simplify right side
   2,151.44x = 4,164,771.22
5. Step 5: Solve for x
   x = 4,164,771.22/2,151.44
6. Step 6: Final answer
   x = 1,935.81