Finding the Fourth Proportional to 19,785, 29,662.02 and 10,412.76

Step by Step Solution

1. Step 1: Write the proportion equation
   19,785 : 29,662.02 = 10,412.76 : x
2. Step 2: Convert to fraction form
   19,785/29,662.02 = 10,412.76/x
3. Step 3: Cross multiply
   19,785x = 29,662.02 × 10,412.76
4. Step 4: Simplify right side
   19,785x = 308,863,495.38
5. Step 5: Solve for x
   x = 308,863,495.38/19,785
6. Step 6: Final answer
   x = 15,610.99