Finding the Fourth Proportional to 2,920.43, 4,381.49 and 946.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,920.43 : 4,381.49 = 946.01 : x
2. Step 2: Convert to fraction form
   2,920.43/4,381.49 = 946.01/x
3. Step 3: Cross multiply
   2,920.43x = 4,381.49 × 946.01
4. Step 4: Simplify right side
   2,920.43x = 4,144,946.67
5. Step 5: Solve for x
   x = 4,144,946.67/2,920.43
6. Step 6: Final answer
   x = 1,419.29