Finding the Fourth Proportional to 4,196.78, 6,293.06 and 1,274.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,196.78 : 6,293.06 = 1,274.72 : x
2. Step 2: Convert to fraction form
   4,196.78/6,293.06 = 1,274.72/x
3. Step 3: Cross multiply
   4,196.78x = 6,293.06 × 1,274.72
4. Step 4: Simplify right side
   4,196.78x = 8,021,889.44
5. Step 5: Solve for x
   x = 8,021,889.44/4,196.78
6. Step 6: Final answer
   x = 1,911.44