Finding the Fourth Proportional to 3,633.19, 5,012.69 and 2,140.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,633.19 : 5,012.69 = 2,140.56 : x
2. Step 2: Convert to fraction form
   3,633.19/5,012.69 = 2,140.56/x
3. Step 3: Cross multiply
   3,633.19x = 5,012.69 × 2,140.56
4. Step 4: Simplify right side
   3,633.19x = 10,729,963.71
5. Step 5: Solve for x
   x = 10,729,963.71/3,633.19
6. Step 6: Final answer
   x = 2,953.32