Finding the Fourth Proportional to 21,443.06, 29,589.81 and 12,010.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,443.06 : 29,589.81 = 12,010.10 : x
2. Step 2: Convert to fraction form
   21,443.06/29,589.81 = 12,010.10/x
3. Step 3: Cross multiply
   21,443.06x = 29,589.81 × 12,010.10
4. Step 4: Simplify right side
   21,443.06x = 355,376,577.08
5. Step 5: Solve for x
   x = 355,376,577.08/21,443.06
6. Step 6: Final answer
   x = 16,573.03