Finding the Fourth Proportional to 19,686.37, 29,512.82 and 9,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,686.37 : 29,512.82 = 9,162.50 : x
2. Step 2: Convert to fraction form
   19,686.37/29,512.82 = 9,162.50/x
3. Step 3: Cross multiply
   19,686.37x = 29,512.82 × 9,162.50
4. Step 4: Simplify right side
   19,686.37x = 270,411,162.37
5. Step 5: Solve for x
   x = 270,411,162.37/19,686.37
6. Step 6: Final answer
   x = 13,735.96