Finding the Fourth Proportional to 19,735.94, 29,608.53 and 13,498.89

Step by Step Solution

1. Step 1: Write the proportion equation
   19,735.94 : 29,608.53 = 13,498.89 : x
2. Step 2: Convert to fraction form
   19,735.94/29,608.53 = 13,498.89/x
3. Step 3: Cross multiply
   19,735.94x = 29,608.53 × 13,498.89
4. Step 4: Simplify right side
   19,735.94x = 399,682,127.88
5. Step 5: Solve for x
   x = 399,682,127.88/19,735.94
6. Step 6: Final answer
   x = 20,251.48