Finding the Fourth Proportional to 4,007.58, 5,530.50 and 2,238.98

Step by Step Solution

1. Step 1: Write the proportion equation
   4,007.58 : 5,530.50 = 2,238.98 : x
2. Step 2: Convert to fraction form
   4,007.58/5,530.50 = 2,238.98/x
3. Step 3: Cross multiply
   4,007.58x = 5,530.50 × 2,238.98
4. Step 4: Simplify right side
   4,007.58x = 12,382,678.89
5. Step 5: Solve for x
   x = 12,382,678.89/4,007.58
6. Step 6: Final answer
   x = 3,089.81