Finding the Fourth Proportional to 1,404.31, 1,937.55 and 844.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.31 : 1,937.55 = 844.60 : x
2. Step 2: Convert to fraction form
   1,404.31/1,937.55 = 844.60/x
3. Step 3: Cross multiply
   1,404.31x = 1,937.55 × 844.60
4. Step 4: Simplify right side
   1,404.31x = 1,636,454.73
5. Step 5: Solve for x
   x = 1,636,454.73/1,404.31
6. Step 6: Final answer
   x = 1,165.31