Finding the Fourth Proportional to 1,372.37, 1,894.15 and 930.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372.37 : 1,894.15 = 930.41 : x
2. Step 2: Convert to fraction form
   1,372.37/1,894.15 = 930.41/x
3. Step 3: Cross multiply
   1,372.37x = 1,894.15 × 930.41
4. Step 4: Simplify right side
   1,372.37x = 1,762,336.30
5. Step 5: Solve for x
   x = 1,762,336.30/1,372.37
6. Step 6: Final answer
   x = 1,284.16