Finding the Fourth Proportional to 19,826.18, 29,723.34 and 13,570.82

Step by Step Solution

1. Step 1: Write the proportion equation
   19,826.18 : 29,723.34 = 13,570.82 : x
2. Step 2: Convert to fraction form
   19,826.18/29,723.34 = 13,570.82/x
3. Step 3: Cross multiply
   19,826.18x = 29,723.34 × 13,570.82
4. Step 4: Simplify right side
   19,826.18x = 403,370,096.94
5. Step 5: Solve for x
   x = 403,370,096.94/19,826.18
6. Step 6: Final answer
   x = 20,345.33