Finding the Fourth Proportional to 1,689.96, 2,532.72 and 1,041.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689.96 : 2,532.72 = 1,041.12 : x
2. Step 2: Convert to fraction form
   1,689.96/2,532.72 = 1,041.12/x
3. Step 3: Cross multiply
   1,689.96x = 2,532.72 × 1,041.12
4. Step 4: Simplify right side
   1,689.96x = 2,636,865.45
5. Step 5: Solve for x
   x = 2,636,865.45/1,689.96
6. Step 6: Final answer
   x = 1,560.31