Finding the Fourth Proportional to 2,503.50, 3,454.86 and 1,384.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.50 : 3,454.86 = 1,384.53 : x
2. Step 2: Convert to fraction form
   2,503.50/3,454.86 = 1,384.53/x
3. Step 3: Cross multiply
   2,503.50x = 3,454.86 × 1,384.53
4. Step 4: Simplify right side
   2,503.50x = 4,783,357.32
5. Step 5: Solve for x
   x = 4,783,357.32/2,503.50
6. Step 6: Final answer
   x = 1,910.67