Finding the Fourth Proportional to 10,461.38, 15,698.20 and 3,892.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,461.38 : 15,698.20 = 3,892.10 : x
2. Step 2: Convert to fraction form
   10,461.38/15,698.20 = 3,892.10/x
3. Step 3: Cross multiply
   10,461.38x = 15,698.20 × 3,892.10
4. Step 4: Simplify right side
   10,461.38x = 61,098,964.22
5. Step 5: Solve for x
   x = 61,098,964.22/10,461.38
6. Step 6: Final answer
   x = 5,840.43