Finding the Fourth Proportional to 1,336.91, 2,002.32 and 1,092.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.91 : 2,002.32 = 1,092.29 : x
2. Step 2: Convert to fraction form
   1,336.91/2,002.32 = 1,092.29/x
3. Step 3: Cross multiply
   1,336.91x = 2,002.32 × 1,092.29
4. Step 4: Simplify right side
   1,336.91x = 2,187,104.10
5. Step 5: Solve for x
   x = 2,187,104.10/1,336.91
6. Step 6: Final answer
   x = 1,635.95