Finding the Fourth Proportional to 1,393.56, 1,924.02 and 951.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393.56 : 1,924.02 = 951.30 : x
2. Step 2: Convert to fraction form
   1,393.56/1,924.02 = 951.30/x
3. Step 3: Cross multiply
   1,393.56x = 1,924.02 × 951.30
4. Step 4: Simplify right side
   1,393.56x = 1,830,320.23
5. Step 5: Solve for x
   x = 1,830,320.23/1,393.56
6. Step 6: Final answer
   x = 1,313.41