Finding the Fourth Proportional to 278,307.73, 384,064.82 and 150,983.31

Step by Step Solution

1. Step 1: Write the proportion equation
   278,307.73 : 384,064.82 = 150,983.31 : x
2. Step 2: Convert to fraction form
   278,307.73/384,064.82 = 150,983.31/x
3. Step 3: Cross multiply
   278,307.73x = 384,064.82 × 150,983.31
4. Step 4: Simplify right side
   278,307.73x = 57,987,377,778.15
5. Step 5: Solve for x
   x = 57,987,377,778.15/278,307.73
6. Step 6: Final answer
   x = 208,357.05