Finding the Fourth Proportional to 1,975.43, 2,956.71 and 1,455.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,975.43 : 2,956.71 = 1,455.23 : x
2. Step 2: Convert to fraction form
   1,975.43/2,956.71 = 1,455.23/x
3. Step 3: Cross multiply
   1,975.43x = 2,956.71 × 1,455.23
4. Step 4: Simplify right side
   1,975.43x = 4,302,678.31
5. Step 5: Solve for x
   x = 4,302,678.31/1,975.43
6. Step 6: Final answer
   x = 2,178.09