Finding the Fourth Proportional to 12,046.81, 18,071.89 and 5,474.65

Step by Step Solution

1. Step 1: Write the proportion equation
   12,046.81 : 18,071.89 = 5,474.65 : x
2. Step 2: Convert to fraction form
   12,046.81/18,071.89 = 5,474.65/x
3. Step 3: Cross multiply
   12,046.81x = 18,071.89 × 5,474.65
4. Step 4: Simplify right side
   12,046.81x = 98,937,168.54
5. Step 5: Solve for x
   x = 98,937,168.54/12,046.81
6. Step 6: Final answer
   x = 8,212.73