Finding the Fourth Proportional to 2,429.69, 3,644.90 and 948.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.69 : 3,644.90 = 948.65 : x
2. Step 2: Convert to fraction form
   2,429.69/3,644.90 = 948.65/x
3. Step 3: Cross multiply
   2,429.69x = 3,644.90 × 948.65
4. Step 4: Simplify right side
   2,429.69x = 3,457,711.42
5. Step 5: Solve for x
   x = 3,457,711.42/2,429.69
6. Step 6: Final answer
   x = 1,423.11