Finding the Fourth Proportional to 140,056.73, 193,270.59 and 79,618.98

Step by Step Solution

1. Step 1: Write the proportion equation
   140,056.73 : 193,270.59 = 79,618.98 : x
2. Step 2: Convert to fraction form
   140,056.73/193,270.59 = 79,618.98/x
3. Step 3: Cross multiply
   140,056.73x = 193,270.59 × 79,618.98
4. Step 4: Simplify right side
   140,056.73x = 15,388,007,239.80
5. Step 5: Solve for x
   x = 15,388,007,239.80/140,056.73
6. Step 6: Final answer
   x = 109,869.82