Finding the Fourth Proportional to 1,729.02, 2,385.27 and 1,169.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,729.02 : 2,385.27 = 1,169.28 : x
2. Step 2: Convert to fraction form
   1,729.02/2,385.27 = 1,169.28/x
3. Step 3: Cross multiply
   1,729.02x = 2,385.27 × 1,169.28
4. Step 4: Simplify right side
   1,729.02x = 2,789,048.51
5. Step 5: Solve for x
   x = 2,789,048.51/1,729.02
6. Step 6: Final answer
   x = 1,613.08