Finding the Fourth Proportional to 11,892.71, 17,841.12 and 3,995.99

Step by Step Solution

1. Step 1: Write the proportion equation
   11,892.71 : 17,841.12 = 3,995.99 : x
2. Step 2: Convert to fraction form
   11,892.71/17,841.12 = 3,995.99/x
3. Step 3: Cross multiply
   11,892.71x = 17,841.12 × 3,995.99
4. Step 4: Simplify right side
   11,892.71x = 71,292,847.90
5. Step 5: Solve for x
   x = 71,292,847.90/11,892.71
6. Step 6: Final answer
   x = 5,994.67