Finding the Fourth Proportional to 11,812.83, 17,718.16 and 3,604.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,812.83 : 17,718.16 = 3,604.83 : x
2. Step 2: Convert to fraction form
   11,812.83/17,718.16 = 3,604.83/x
3. Step 3: Cross multiply
   11,812.83x = 17,718.16 × 3,604.83
4. Step 4: Simplify right side
   11,812.83x = 63,870,954.71
5. Step 5: Solve for x
   x = 63,870,954.71/11,812.83
6. Step 6: Final answer
   x = 5,406.91