Finding the Fourth Proportional to 55,223.83, 82,838.62 and 15,786.91

Step by Step Solution

1. Step 1: Write the proportion equation
   55,223.83 : 82,838.62 = 15,786.91 : x
2. Step 2: Convert to fraction form
   55,223.83/82,838.62 = 15,786.91/x
3. Step 3: Cross multiply
   55,223.83x = 82,838.62 × 15,786.91
4. Step 4: Simplify right side
   55,223.83x = 1,307,765,424.27
5. Step 5: Solve for x
   x = 1,307,765,424.27/55,223.83
6. Step 6: Final answer
   x = 23,681.18