Finding the Fourth Proportional to 3,633.72, 5,014.56 and 1,977.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,633.72 : 5,014.56 = 1,977.72 : x
2. Step 2: Convert to fraction form
   3,633.72/5,014.56 = 1,977.72/x
3. Step 3: Cross multiply
   3,633.72x = 5,014.56 × 1,977.72
4. Step 4: Simplify right side
   3,633.72x = 9,917,395.60
5. Step 5: Solve for x
   x = 9,917,395.60/3,633.72
6. Step 6: Final answer
   x = 2,729.27