Finding the Fourth Proportional to 2,503.67, 3,454.91 and 1,384.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.67 : 3,454.91 = 1,384.54 : x
2. Step 2: Convert to fraction form
   2,503.67/3,454.91 = 1,384.54/x
3. Step 3: Cross multiply
   2,503.67x = 3,454.91 × 1,384.54
4. Step 4: Simplify right side
   2,503.67x = 4,783,461.09
5. Step 5: Solve for x
   x = 4,783,461.09/2,503.67
6. Step 6: Final answer
   x = 1,910.58