Finding the Fourth Proportional to 1,393.41, 1,923.24 and 951.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393.41 : 1,923.24 = 951.93 : x
2. Step 2: Convert to fraction form
   1,393.41/1,923.24 = 951.93/x
3. Step 3: Cross multiply
   1,393.41x = 1,923.24 × 951.93
4. Step 4: Simplify right side
   1,393.41x = 1,830,789.85
5. Step 5: Solve for x
   x = 1,830,789.85/1,393.41
6. Step 6: Final answer
   x = 1,313.89