Finding the Fourth Proportional to 12,821.29, 19,230.01 and 4,055.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,821.29 : 19,230.01 = 4,055.06 : x
2. Step 2: Convert to fraction form
   12,821.29/19,230.01 = 4,055.06/x
3. Step 3: Cross multiply
   12,821.29x = 19,230.01 × 4,055.06
4. Step 4: Simplify right side
   12,821.29x = 77,978,882.29
5. Step 5: Solve for x
   x = 77,978,882.29/12,821.29
6. Step 6: Final answer
   x = 6,081.99