Finding the Fourth Proportional to 2,503.33, 3,454.35 and 1,384.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.33 : 3,454.35 = 1,384.09 : x
2. Step 2: Convert to fraction form
   2,503.33/3,454.35 = 1,384.09/x
3. Step 3: Cross multiply
   2,503.33x = 3,454.35 × 1,384.09
4. Step 4: Simplify right side
   2,503.33x = 4,781,117.47
5. Step 5: Solve for x
   x = 4,781,117.47/2,503.33
6. Step 6: Final answer
   x = 1,909.90