Finding the Fourth Proportional to 1,354.87, 1,867.67 and 1,059.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.87 : 1,867.67 = 1,059.62 : x
2. Step 2: Convert to fraction form
   1,354.87/1,867.67 = 1,059.62/x
3. Step 3: Cross multiply
   1,354.87x = 1,867.67 × 1,059.62
4. Step 4: Simplify right side
   1,354.87x = 1,979,020.49
5. Step 5: Solve for x
   x = 1,979,020.49/1,354.87
6. Step 6: Final answer
   x = 1,460.68