Finding the Fourth Proportional to 10,274.10, 15,401.79 and 3,698.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,274.10 : 15,401.79 = 3,698.79 : x
2. Step 2: Convert to fraction form
   10,274.10/15,401.79 = 3,698.79/x
3. Step 3: Cross multiply
   10,274.10x = 15,401.79 × 3,698.79
4. Step 4: Simplify right side
   10,274.10x = 56,967,986.83
5. Step 5: Solve for x
   x = 56,967,986.83/10,274.10
6. Step 6: Final answer
   x = 5,544.82