Finding the Fourth Proportional to 9,105.25, 13,654.83 and 3,557.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105.25 : 13,654.83 = 3,557.15 : x
2. Step 2: Convert to fraction form
   9,105.25/13,654.83 = 3,557.15/x
3. Step 3: Cross multiply
   9,105.25x = 13,654.83 × 3,557.15
4. Step 4: Simplify right side
   9,105.25x = 48,572,278.53
5. Step 5: Solve for x
   x = 48,572,278.53/9,105.25
6. Step 6: Final answer
   x = 5,334.54