Finding the Fourth Proportional to 3,892.15, 5,842.85 and 3,071.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892.15 : 5,842.85 = 3,071.01 : x
2. Step 2: Convert to fraction form
   3,892.15/5,842.85 = 3,071.01/x
3. Step 3: Cross multiply
   3,892.15x = 5,842.85 × 3,071.01
4. Step 4: Simplify right side
   3,892.15x = 17,943,474.61
5. Step 5: Solve for x
   x = 17,943,474.61/3,892.15
6. Step 6: Final answer
   x = 4,610.17