Finding the Fourth Proportional to 2,065.93, 3,099.35 and 605.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.93 : 3,099.35 = 605.10 : x
2. Step 2: Convert to fraction form
   2,065.93/3,099.35 = 605.10/x
3. Step 3: Cross multiply
   2,065.93x = 3,099.35 × 605.10
4. Step 4: Simplify right side
   2,065.93x = 1,875,416.69
5. Step 5: Solve for x
   x = 1,875,416.69/2,065.93
6. Step 6: Final answer
   x = 907.78