Finding the Fourth Proportional to 1,689.24, 2,546.38 and 1,402.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689.24 : 2,546.38 = 1,402.52 : x
2. Step 2: Convert to fraction form
   1,689.24/2,546.38 = 1,402.52/x
3. Step 3: Cross multiply
   1,689.24x = 2,546.38 × 1,402.52
4. Step 4: Simplify right side
   1,689.24x = 3,571,348.88
5. Step 5: Solve for x
   x = 3,571,348.88/1,689.24
6. Step 6: Final answer
   x = 2,114.17