Finding the Fourth Proportional to 2,924.66, 4,384.50 and 1,279.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,924.66 : 4,384.50 = 1,279.98 : x
2. Step 2: Convert to fraction form
   2,924.66/4,384.50 = 1,279.98/x
3. Step 3: Cross multiply
   2,924.66x = 4,384.50 × 1,279.98
4. Step 4: Simplify right side
   2,924.66x = 5,612,072.31
5. Step 5: Solve for x
   x = 5,612,072.31/2,924.66
6. Step 6: Final answer
   x = 1,918.88