Finding the Fourth Proportional to 3,608.51, 4,978.26 and 2,429.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,608.51 : 4,978.26 = 2,429.96 : x
2. Step 2: Convert to fraction form
   3,608.51/4,978.26 = 2,429.96/x
3. Step 3: Cross multiply
   3,608.51x = 4,978.26 × 2,429.96
4. Step 4: Simplify right side
   3,608.51x = 12,096,947.78
5. Step 5: Solve for x
   x = 12,096,947.78/3,608.51
6. Step 6: Final answer
   x = 3,352.34