Finding the Fourth Proportional to 2,503.58, 3,454.91 and 1,384.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.58 : 3,454.91 = 1,384.50 : x
2. Step 2: Convert to fraction form
   2,503.58/3,454.91 = 1,384.50/x
3. Step 3: Cross multiply
   2,503.58x = 3,454.91 × 1,384.50
4. Step 4: Simplify right side
   2,503.58x = 4,783,328.30
5. Step 5: Solve for x
   x = 4,783,328.30/2,503.58
6. Step 6: Final answer
   x = 1,910.60