Finding the Fourth Proportional to 10,146.49, 15,221.82 and 3,577.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,146.49 : 15,221.82 = 3,577.25 : x
2. Step 2: Convert to fraction form
   10,146.49/15,221.82 = 3,577.25/x
3. Step 3: Cross multiply
   10,146.49x = 15,221.82 × 3,577.25
4. Step 4: Simplify right side
   10,146.49x = 54,452,307.06
5. Step 5: Solve for x
   x = 54,452,307.06/10,146.49
6. Step 6: Final answer
   x = 5,366.62