Finding the Fourth Proportional to 1,369.50, 1,888.74 and 844.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369.50 : 1,888.74 = 844.62 : x
2. Step 2: Convert to fraction form
   1,369.50/1,888.74 = 844.62/x
3. Step 3: Cross multiply
   1,369.50x = 1,888.74 × 844.62
4. Step 4: Simplify right side
   1,369.50x = 1,595,267.58
5. Step 5: Solve for x
   x = 1,595,267.58/1,369.50
6. Step 6: Final answer
   x = 1,164.85