Finding the Fourth Proportional to 8,071.50, 12,111.93 and 3,391.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,071.50 : 12,111.93 = 3,391.14 : x
2. Step 2: Convert to fraction form
   8,071.50/12,111.93 = 3,391.14/x
3. Step 3: Cross multiply
   8,071.50x = 12,111.93 × 3,391.14
4. Step 4: Simplify right side
   8,071.50x = 41,073,250.30
5. Step 5: Solve for x
   x = 41,073,250.30/8,071.50
6. Step 6: Final answer
   x = 5,088.68