Finding the Fourth Proportional to 2,503.16, 3,454.38 and 1,384.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.16 : 3,454.38 = 1,384.07 : x
2. Step 2: Convert to fraction form
   2,503.16/3,454.38 = 1,384.07/x
3. Step 3: Cross multiply
   2,503.16x = 3,454.38 × 1,384.07
4. Step 4: Simplify right side
   2,503.16x = 4,781,103.73
5. Step 5: Solve for x
   x = 4,781,103.73/2,503.16
6. Step 6: Final answer
   x = 1,910.03