Finding the Fourth Proportional to 2,271.48, 3,136.50 and 1,574.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.48 : 3,136.50 = 1,574.88 : x
2. Step 2: Convert to fraction form
   2,271.48/3,136.50 = 1,574.88/x
3. Step 3: Cross multiply
   2,271.48x = 3,136.50 × 1,574.88
4. Step 4: Simplify right side
   2,271.48x = 4,939,611.12
5. Step 5: Solve for x
   x = 4,939,611.12/2,271.48
6. Step 6: Final answer
   x = 2,174.62