Finding the Fourth Proportional to 2,134.48, 2,959.24 and 2,023.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,134.48 : 2,959.24 = 2,023.72 : x
2. Step 2: Convert to fraction form
   2,134.48/2,959.24 = 2,023.72/x
3. Step 3: Cross multiply
   2,134.48x = 2,959.24 × 2,023.72
4. Step 4: Simplify right side
   2,134.48x = 5,988,673.17
5. Step 5: Solve for x
   x = 5,988,673.17/2,134.48
6. Step 6: Final answer
   x = 2,805.68