Finding the Fourth Proportional to 2,503.08, 3,454.42 and 1,384.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.08 : 3,454.42 = 1,384.20 : x
2. Step 2: Convert to fraction form
   2,503.08/3,454.42 = 1,384.20/x
3. Step 3: Cross multiply
   2,503.08x = 3,454.42 × 1,384.20
4. Step 4: Simplify right side
   2,503.08x = 4,781,608.16
5. Step 5: Solve for x
   x = 4,781,608.16/2,503.08
6. Step 6: Final answer
   x = 1,910.29