Finding the Fourth Proportional to 2,980.89, 4,467.45 and 1,223.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.89 : 4,467.45 = 1,223.81 : x
2. Step 2: Convert to fraction form
   2,980.89/4,467.45 = 1,223.81/x
3. Step 3: Cross multiply
   2,980.89x = 4,467.45 × 1,223.81
4. Step 4: Simplify right side
   2,980.89x = 5,467,308.99
5. Step 5: Solve for x
   x = 5,467,308.99/2,980.89
6. Step 6: Final answer
   x = 1,834.12