Finding the Fourth Proportional to 15,018.72, 22,530.69 and 6,698.55

Step by Step Solution

1. Step 1: Write the proportion equation
   15,018.72 : 22,530.69 = 6,698.55 : x
2. Step 2: Convert to fraction form
   15,018.72/22,530.69 = 6,698.55/x
3. Step 3: Cross multiply
   15,018.72x = 22,530.69 × 6,698.55
4. Step 4: Simplify right side
   15,018.72x = 150,922,953.50
5. Step 5: Solve for x
   x = 150,922,953.50/15,018.72
6. Step 6: Final answer
   x = 10,048.99