Finding the Fourth Proportional to 3,699.33, 5,103.42 and 2,503.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699.33 : 5,103.42 = 2,503.89 : x
2. Step 2: Convert to fraction form
   3,699.33/5,103.42 = 2,503.89/x
3. Step 3: Cross multiply
   3,699.33x = 5,103.42 × 2,503.89
4. Step 4: Simplify right side
   3,699.33x = 12,778,402.30
5. Step 5: Solve for x
   x = 12,778,402.30/3,699.33
6. Step 6: Final answer
   x = 3,454.25