Finding the Fourth Proportional to 3,150.72, 4,722.71 and 1,505.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,150.72 : 4,722.71 = 1,505.34 : x
2. Step 2: Convert to fraction form
   3,150.72/4,722.71 = 1,505.34/x
3. Step 3: Cross multiply
   3,150.72x = 4,722.71 × 1,505.34
4. Step 4: Simplify right side
   3,150.72x = 7,109,276.74
5. Step 5: Solve for x
   x = 7,109,276.74/3,150.72
6. Step 6: Final answer
   x = 2,256.40