Finding the Fourth Proportional to 10,320.72, 15,487.23 and 3,747.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,320.72 : 15,487.23 = 3,747.42 : x
2. Step 2: Convert to fraction form
   10,320.72/15,487.23 = 3,747.42/x
3. Step 3: Cross multiply
   10,320.72x = 15,487.23 × 3,747.42
4. Step 4: Simplify right side
   10,320.72x = 58,037,155.45
5. Step 5: Solve for x
   x = 58,037,155.45/10,320.72
6. Step 6: Final answer
   x = 5,623.36