Finding the Fourth Proportional to 10,466.82, 15,700.74 and 3,891.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,466.82 : 15,700.74 = 3,891.47 : x
2. Step 2: Convert to fraction form
   10,466.82/15,700.74 = 3,891.47/x
3. Step 3: Cross multiply
   10,466.82x = 15,700.74 × 3,891.47
4. Step 4: Simplify right side
   10,466.82x = 61,098,958.69
5. Step 5: Solve for x
   x = 61,098,958.69/10,466.82
6. Step 6: Final answer
   x = 5,837.39