Finding the Fourth Proportional to 13,004.72, 19,510.32 and 4,240.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,004.72 : 19,510.32 = 4,240.56 : x
2. Step 2: Convert to fraction form
   13,004.72/19,510.32 = 4,240.56/x
3. Step 3: Cross multiply
   13,004.72x = 19,510.32 × 4,240.56
4. Step 4: Simplify right side
   13,004.72x = 82,734,682.58
5. Step 5: Solve for x
   x = 82,734,682.58/13,004.72
6. Step 6: Final answer
   x = 6,361.90