Finding the Fourth Proportional to 2,169.62, 3,256.18 and 1,129.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169.62 : 3,256.18 = 1,129.94 : x
2. Step 2: Convert to fraction form
   2,169.62/3,256.18 = 1,129.94/x
3. Step 3: Cross multiply
   2,169.62x = 3,256.18 × 1,129.94
4. Step 4: Simplify right side
   2,169.62x = 3,679,288.03
5. Step 5: Solve for x
   x = 3,679,288.03/2,169.62
6. Step 6: Final answer
   x = 1,695.82