Finding the Fourth Proportional to 3,144.42, 4,711.16 and 1,580.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.42 : 4,711.16 = 1,580.72 : x
2. Step 2: Convert to fraction form
   3,144.42/4,711.16 = 1,580.72/x
3. Step 3: Cross multiply
   3,144.42x = 4,711.16 × 1,580.72
4. Step 4: Simplify right side
   3,144.42x = 7,447,005.23
5. Step 5: Solve for x
   x = 7,447,005.23/3,144.42
6. Step 6: Final answer
   x = 2,368.32