Finding the Fourth Proportional to 1,404.86, 1,937.47 and 957.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.86 : 1,937.47 = 957.46 : x
2. Step 2: Convert to fraction form
   1,404.86/1,937.47 = 957.46/x
3. Step 3: Cross multiply
   1,404.86x = 1,937.47 × 957.46
4. Step 4: Simplify right side
   1,404.86x = 1,855,045.16
5. Step 5: Solve for x
   x = 1,855,045.16/1,404.86
6. Step 6: Final answer
   x = 1,320.44