Finding the Fourth Proportional to 108,287.06, 162,178.27 and 105,297.62

Step by Step Solution

1. Step 1: Write the proportion equation
   108,287.06 : 162,178.27 = 105,297.62 : x
2. Step 2: Convert to fraction form
   108,287.06/162,178.27 = 105,297.62/x
3. Step 3: Cross multiply
   108,287.06x = 162,178.27 × 105,297.62
4. Step 4: Simplify right side
   108,287.06x = 17,076,985,846.72
5. Step 5: Solve for x
   x = 17,076,985,846.72/108,287.06
6. Step 6: Final answer
   x = 157,701.08