Finding the Fourth Proportional to 108,805.07, 163,076.37 and 56,185.87

Step by Step Solution

1. Step 1: Write the proportion equation
   108,805.07 : 163,076.37 = 56,185.87 : x
2. Step 2: Convert to fraction form
   108,805.07/163,076.37 = 56,185.87/x
3. Step 3: Cross multiply
   108,805.07x = 163,076.37 × 56,185.87
4. Step 4: Simplify right side
   108,805.07x = 9,162,587,443.96
5. Step 5: Solve for x
   x = 9,162,587,443.96/108,805.07
6. Step 6: Final answer
   x = 84,211.03