Finding the Fourth Proportional to 1,689.51, 2,534.69 and 1,196.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689.51 : 2,534.69 = 1,196.88 : x
2. Step 2: Convert to fraction form
   1,689.51/2,534.69 = 1,196.88/x
3. Step 3: Cross multiply
   1,689.51x = 2,534.69 × 1,196.88
4. Step 4: Simplify right side
   1,689.51x = 3,033,713.78
5. Step 5: Solve for x
   x = 3,033,713.78/1,689.51
6. Step 6: Final answer
   x = 1,795.62