Finding the Fourth Proportional to 19,783.12, 29,653.82 and 13,541.46

Step by Step Solution

1. Step 1: Write the proportion equation
   19,783.12 : 29,653.82 = 13,541.46 : x
2. Step 2: Convert to fraction form
   19,783.12/29,653.82 = 13,541.46/x
3. Step 3: Cross multiply
   19,783.12x = 29,653.82 × 13,541.46
4. Step 4: Simplify right side
   19,783.12x = 401,556,017.38
5. Step 5: Solve for x
   x = 401,556,017.38/19,783.12
6. Step 6: Final answer
   x = 20,297.91