Finding the Fourth Proportional to 2,152.07, 2,964.74 and 2,022.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.07 : 2,964.74 = 2,022.87 : x
2. Step 2: Convert to fraction form
   2,152.07/2,964.74 = 2,022.87/x
3. Step 3: Cross multiply
   2,152.07x = 2,964.74 × 2,022.87
4. Step 4: Simplify right side
   2,152.07x = 5,997,283.60
5. Step 5: Solve for x
   x = 5,997,283.60/2,152.07
6. Step 6: Final answer
   x = 2,786.75