Finding the Fourth Proportional to 1,906.32, 2,860.01 and 607.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.32 : 2,860.01 = 607.89 : x
2. Step 2: Convert to fraction form
   1,906.32/2,860.01 = 607.89/x
3. Step 3: Cross multiply
   1,906.32x = 2,860.01 × 607.89
4. Step 4: Simplify right side
   1,906.32x = 1,738,571.48
5. Step 5: Solve for x
   x = 1,738,571.48/1,906.32
6. Step 6: Final answer
   x = 912.00