Finding the Fourth Proportional to 1,354.59, 1,867.59 and 1,336.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.59 : 1,867.59 = 1,336.23 : x
2. Step 2: Convert to fraction form
   1,354.59/1,867.59 = 1,336.23/x
3. Step 3: Cross multiply
   1,354.59x = 1,867.59 × 1,336.23
4. Step 4: Simplify right side
   1,354.59x = 2,495,529.79
5. Step 5: Solve for x
   x = 2,495,529.79/1,354.59
6. Step 6: Final answer
   x = 1,842.28