Finding the Fourth Proportional to 11,821.04, 17,730.24 and 3,056.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,821.04 : 17,730.24 = 3,056.72 : x
2. Step 2: Convert to fraction form
   11,821.04/17,730.24 = 3,056.72/x
3. Step 3: Cross multiply
   11,821.04x = 17,730.24 × 3,056.72
4. Step 4: Simplify right side
   11,821.04x = 54,196,379.21
5. Step 5: Solve for x
   x = 54,196,379.21/11,821.04
6. Step 6: Final answer
   x = 4,584.74