Finding the Fourth Proportional to 1,336.04, 1,842.82 and 870.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.04 : 1,842.82 = 870.92 : x
2. Step 2: Convert to fraction form
   1,336.04/1,842.82 = 870.92/x
3. Step 3: Cross multiply
   1,336.04x = 1,842.82 × 870.92
4. Step 4: Simplify right side
   1,336.04x = 1,604,948.79
5. Step 5: Solve for x
   x = 1,604,948.79/1,336.04
6. Step 6: Final answer
   x = 1,201.27