Finding the Fourth Proportional to 3,377.63, 5,066.42 and 912.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,377.63 : 5,066.42 = 912.69 : x
2. Step 2: Convert to fraction form
   3,377.63/5,066.42 = 912.69/x
3. Step 3: Cross multiply
   3,377.63x = 5,066.42 × 912.69
4. Step 4: Simplify right side
   3,377.63x = 4,624,066.31
5. Step 5: Solve for x
   x = 4,624,066.31/3,377.63
6. Step 6: Final answer
   x = 1,369.03