Finding the Fourth Proportional to 3,900.44, 5,382.71 and 2,132.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900.44 : 5,382.71 = 2,132.01 : x
2. Step 2: Convert to fraction form
   3,900.44/5,382.71 = 2,132.01/x
3. Step 3: Cross multiply
   3,900.44x = 5,382.71 × 2,132.01
4. Step 4: Simplify right side
   3,900.44x = 11,475,980.89
5. Step 5: Solve for x
   x = 11,475,980.89/3,900.44
6. Step 6: Final answer
   x = 2,942.23