Finding the Fourth Proportional to 3,003.53, 4,505.86 and 923.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,003.53 : 4,505.86 = 923.71 : x
2. Step 2: Convert to fraction form
   3,003.53/4,505.86 = 923.71/x
3. Step 3: Cross multiply
   3,003.53x = 4,505.86 × 923.71
4. Step 4: Simplify right side
   3,003.53x = 4,162,103.32
5. Step 5: Solve for x
   x = 4,162,103.32/3,003.53
6. Step 6: Final answer
   x = 1,385.74