Finding the Fourth Proportional to 1,573.63, 2,171.15 and 1,014.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,573.63 : 2,171.15 = 1,014.42 : x
2. Step 2: Convert to fraction form
   1,573.63/2,171.15 = 1,014.42/x
3. Step 3: Cross multiply
   1,573.63x = 2,171.15 × 1,014.42
4. Step 4: Simplify right side
   1,573.63x = 2,202,457.98
5. Step 5: Solve for x
   x = 2,202,457.98/1,573.63
6. Step 6: Final answer
   x = 1,399.60