Finding the Fourth Proportional to 8,061.81, 12,093.12 and 3,379.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.81 : 12,093.12 = 3,379.20 : x
2. Step 2: Convert to fraction form
   8,061.81/12,093.12 = 3,379.20/x
3. Step 3: Cross multiply
   8,061.81x = 12,093.12 × 3,379.20
4. Step 4: Simplify right side
   8,061.81x = 40,865,071.10
5. Step 5: Solve for x
   x = 40,865,071.10/8,061.81
6. Step 6: Final answer
   x = 5,068.97