Finding the Fourth Proportional to 108,796.91, 163,118.81 and 42,180.89

Step by Step Solution

1. Step 1: Write the proportion equation
   108,796.91 : 163,118.81 = 42,180.89 : x
2. Step 2: Convert to fraction form
   108,796.91/163,118.81 = 42,180.89/x
3. Step 3: Cross multiply
   108,796.91x = 163,118.81 × 42,180.89
4. Step 4: Simplify right side
   108,796.91x = 6,880,495,871.40
5. Step 5: Solve for x
   x = 6,880,495,871.40/108,796.91
6. Step 6: Final answer
   x = 63,241.65