Finding the Fourth Proportional to 1,346.14, 1,858.71 and 1,085.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.14 : 1,858.71 = 1,085.32 : x
2. Step 2: Convert to fraction form
   1,346.14/1,858.71 = 1,085.32/x
3. Step 3: Cross multiply
   1,346.14x = 1,858.71 × 1,085.32
4. Step 4: Simplify right side
   1,346.14x = 2,017,295.14
5. Step 5: Solve for x
   x = 2,017,295.14/1,346.14
6. Step 6: Final answer
   x = 1,498.58