Finding the Fourth Proportional to 108,750.42, 163,072.89 and 63,786.47

Step by Step Solution

1. Step 1: Write the proportion equation
   108,750.42 : 163,072.89 = 63,786.47 : x
2. Step 2: Convert to fraction form
   108,750.42/163,072.89 = 63,786.47/x
3. Step 3: Cross multiply
   108,750.42x = 163,072.89 × 63,786.47
4. Step 4: Simplify right side
   108,750.42x = 10,401,843,336.73
5. Step 5: Solve for x
   x = 10,401,843,336.73/108,750.42
6. Step 6: Final answer
   x = 95,648.77