Finding the Fourth Proportional to 2,979.37, 4,113.54 and 2,663.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,979.37 : 4,113.54 = 2,663.62 : x
2. Step 2: Convert to fraction form
   2,979.37/4,113.54 = 2,663.62/x
3. Step 3: Cross multiply
   2,979.37x = 4,113.54 × 2,663.62
4. Step 4: Simplify right side
   2,979.37x = 10,956,907.41
5. Step 5: Solve for x
   x = 10,956,907.41/2,979.37
6. Step 6: Final answer
   x = 3,677.59