Finding the Fourth Proportional to 108,784.92, 163,178.82 and 42,228.84

Step by Step Solution

1. Step 1: Write the proportion equation
   108,784.92 : 163,178.82 = 42,228.84 : x
2. Step 2: Convert to fraction form
   108,784.92/163,178.82 = 42,228.84/x
3. Step 3: Cross multiply
   108,784.92x = 163,178.82 × 42,228.84
4. Step 4: Simplify right side
   108,784.92x = 6,890,852,281.17
5. Step 5: Solve for x
   x = 6,890,852,281.17/108,784.92
6. Step 6: Final answer
   x = 63,343.82