Finding the Fourth Proportional to 12,029.82, 18,111.59 and 10,422.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,029.82 : 18,111.59 = 10,422.38 : x
2. Step 2: Convert to fraction form
   12,029.82/18,111.59 = 10,422.38/x
3. Step 3: Cross multiply
   12,029.82x = 18,111.59 × 10,422.38
4. Step 4: Simplify right side
   12,029.82x = 188,765,730.71
5. Step 5: Solve for x
   x = 188,765,730.71/12,029.82
6. Step 6: Final answer
   x = 15,691.48