Finding the Fourth Proportional to 144,234.84, 199,043.59 and 79,702.28

Step by Step Solution

1. Step 1: Write the proportion equation
   144,234.84 : 199,043.59 = 79,702.28 : x
2. Step 2: Convert to fraction form
   144,234.84/199,043.59 = 79,702.28/x
3. Step 3: Cross multiply
   144,234.84x = 199,043.59 × 79,702.28
4. Step 4: Simplify right side
   144,234.84x = 15,864,227,942.39
5. Step 5: Solve for x
   x = 15,864,227,942.39/144,234.84
6. Step 6: Final answer
   x = 109,988.88