Finding the Fourth Proportional to 1,349.30, 1,859.82 and 1,069.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,349.30 : 1,859.82 = 1,069.04 : x
2. Step 2: Convert to fraction form
   1,349.30/1,859.82 = 1,069.04/x
3. Step 3: Cross multiply
   1,349.30x = 1,859.82 × 1,069.04
4. Step 4: Simplify right side
   1,349.30x = 1,988,221.97
5. Step 5: Solve for x
   x = 1,988,221.97/1,349.30
6. Step 6: Final answer
   x = 1,473.52