Finding the Fourth Proportional to 1,301.42, 1,951.94 and 424.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.42 : 1,951.94 = 424.00 : x
2. Step 2: Convert to fraction form
   1,301.42/1,951.94 = 424.00/x
3. Step 3: Cross multiply
   1,301.42x = 1,951.94 × 424.00
4. Step 4: Simplify right side
   1,301.42x = 827,615.56
5. Step 5: Solve for x
   x = 827,615.56/1,301.42
6. Step 6: Final answer
   x = 635.94