Finding the Fourth Proportional to 19,596.06, 29,411.78 and 13,255.61

Step by Step Solution

1. Step 1: Write the proportion equation
   19,596.06 : 29,411.78 = 13,255.61 : x
2. Step 2: Convert to fraction form
   19,596.06/29,411.78 = 13,255.61/x
3. Step 3: Cross multiply
   19,596.06x = 29,411.78 × 13,255.61
4. Step 4: Simplify right side
   19,596.06x = 389,870,904.89
5. Step 5: Solve for x
   x = 389,870,904.89/19,596.06
6. Step 6: Final answer
   x = 19,895.37