Finding the Fourth Proportional to 1,906.37, 2,859.52 and 607.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.37 : 2,859.52 = 607.82 : x
2. Step 2: Convert to fraction form
   1,906.37/2,859.52 = 607.82/x
3. Step 3: Cross multiply
   1,906.37x = 2,859.52 × 607.82
4. Step 4: Simplify right side
   1,906.37x = 1,738,073.45
5. Step 5: Solve for x
   x = 1,738,073.45/1,906.37
6. Step 6: Final answer
   x = 911.72