Finding the Fourth Proportional to 11,821.34, 17,719.86 and 4,024.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,821.34 : 17,719.86 = 4,024.28 : x
2. Step 2: Convert to fraction form
   11,821.34/17,719.86 = 4,024.28/x
3. Step 3: Cross multiply
   11,821.34x = 17,719.86 × 4,024.28
4. Step 4: Simplify right side
   11,821.34x = 71,309,678.20
5. Step 5: Solve for x
   x = 71,309,678.20/11,821.34
6. Step 6: Final answer
   x = 6,032.28