Finding the Fourth Proportional to 137,949, 190,369.84 and 78,333

Step by Step Solution

1. Step 1: Write the proportion equation
   137,949 : 190,369.84 = 78,333 : x
2. Step 2: Convert to fraction form
   137,949/190,369.84 = 78,333/x
3. Step 3: Cross multiply
   137,949x = 190,369.84 × 78,333
4. Step 4: Simplify right side
   137,949x = 14,912,240,676.72
5. Step 5: Solve for x
   x = 14,912,240,676.72/137,949
6. Step 6: Final answer
   x = 108,099.66