Finding the Fourth Proportional to 3,736.76, 5,606.78 and 1,427.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,736.76 : 5,606.78 = 1,427.72 : x
2. Step 2: Convert to fraction form
   3,736.76/5,606.78 = 1,427.72/x
3. Step 3: Cross multiply
   3,736.76x = 5,606.78 × 1,427.72
4. Step 4: Simplify right side
   3,736.76x = 8,004,911.94
5. Step 5: Solve for x
   x = 8,004,911.94/3,736.76
6. Step 6: Final answer
   x = 2,142.21