Finding the Fourth Proportional to 2,210.04, 3,317.46 and 912.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.04 : 3,317.46 = 912.42 : x
2. Step 2: Convert to fraction form
   2,210.04/3,317.46 = 912.42/x
3. Step 3: Cross multiply
   2,210.04x = 3,317.46 × 912.42
4. Step 4: Simplify right side
   2,210.04x = 3,026,916.85
5. Step 5: Solve for x
   x = 3,026,916.85/2,210.04
6. Step 6: Final answer
   x = 1,369.62