Finding the Fourth Proportional to 2,238.98, 3,359.50 and 1,006.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.98 : 3,359.50 = 1,006.72 : x
2. Step 2: Convert to fraction form
   2,238.98/3,359.50 = 1,006.72/x
3. Step 3: Cross multiply
   2,238.98x = 3,359.50 × 1,006.72
4. Step 4: Simplify right side
   2,238.98x = 3,382,075.84
5. Step 5: Solve for x
   x = 3,382,075.84/2,238.98
6. Step 6: Final answer
   x = 1,510.54