Finding the Fourth Proportional to 1,379.44, 1,901.46 and 1,046.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379.44 : 1,901.46 = 1,046.52 : x
2. Step 2: Convert to fraction form
   1,379.44/1,901.46 = 1,046.52/x
3. Step 3: Cross multiply
   1,379.44x = 1,901.46 × 1,046.52
4. Step 4: Simplify right side
   1,379.44x = 1,989,915.92
5. Step 5: Solve for x
   x = 1,989,915.92/1,379.44
6. Step 6: Final answer
   x = 1,442.55