Finding the Fourth Proportional to 2,417.73, 3,623.78 and 1,979.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,417.73 : 3,623.78 = 1,979.72 : x
2. Step 2: Convert to fraction form
   2,417.73/3,623.78 = 1,979.72/x
3. Step 3: Cross multiply
   2,417.73x = 3,623.78 × 1,979.72
4. Step 4: Simplify right side
   2,417.73x = 7,174,069.74
5. Step 5: Solve for x
   x = 7,174,069.74/2,417.73
6. Step 6: Final answer
   x = 2,967.27