Finding the Fourth Proportional to 1,404.10, 1,937.76 and 844.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.10 : 1,937.76 = 844.56 : x
2. Step 2: Convert to fraction form
   1,404.10/1,937.76 = 844.56/x
3. Step 3: Cross multiply
   1,404.10x = 1,937.76 × 844.56
4. Step 4: Simplify right side
   1,404.10x = 1,636,551.42
5. Step 5: Solve for x
   x = 1,636,551.42/1,404.10
6. Step 6: Final answer
   x = 1,165.55