Finding the Fourth Proportional to 2,925.22, 4,379.91 and 2,399.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,925.22 : 4,379.91 = 2,399.62 : x
2. Step 2: Convert to fraction form
   2,925.22/4,379.91 = 2,399.62/x
3. Step 3: Cross multiply
   2,925.22x = 4,379.91 × 2,399.62
4. Step 4: Simplify right side
   2,925.22x = 10,510,119.63
5. Step 5: Solve for x
   x = 10,510,119.63/2,925.22
6. Step 6: Final answer
   x = 3,592.93