Finding the Fourth Proportional to 10,127.88, 15,198.62 and 3,554.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,127.88 : 15,198.62 = 3,554.10 : x
2. Step 2: Convert to fraction form
   10,127.88/15,198.62 = 3,554.10/x
3. Step 3: Cross multiply
   10,127.88x = 15,198.62 × 3,554.10
4. Step 4: Simplify right side
   10,127.88x = 54,017,397.57
5. Step 5: Solve for x
   x = 54,017,397.57/10,127.88
6. Step 6: Final answer
   x = 5,333.53