Finding the Fourth Proportional to 1,337.55, 1,844.72 and 1,005.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.55 : 1,844.72 = 1,005.41 : x
2. Step 2: Convert to fraction form
   1,337.55/1,844.72 = 1,005.41/x
3. Step 3: Cross multiply
   1,337.55x = 1,844.72 × 1,005.41
4. Step 4: Simplify right side
   1,337.55x = 1,854,685.68
5. Step 5: Solve for x
   x = 1,854,685.68/1,337.55
6. Step 6: Final answer
   x = 1,386.63