Finding the Fourth Proportional to 10,321.72, 15,488.73 and 3,748.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,321.72 : 15,488.73 = 3,748.42 : x
2. Step 2: Convert to fraction form
   10,321.72/15,488.73 = 3,748.42/x
3. Step 3: Cross multiply
   10,321.72x = 15,488.73 × 3,748.42
4. Step 4: Simplify right side
   10,321.72x = 58,058,265.31
5. Step 5: Solve for x
   x = 58,058,265.31/10,321.72
6. Step 6: Final answer
   x = 5,624.86