Finding the Fourth Proportional to 12,404.91, 18,606.15 and 5,007.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.91 : 18,606.15 = 5,007.18 : x
2. Step 2: Convert to fraction form
   12,404.91/18,606.15 = 5,007.18/x
3. Step 3: Cross multiply
   12,404.91x = 18,606.15 × 5,007.18
4. Step 4: Simplify right side
   12,404.91x = 93,164,342.16
5. Step 5: Solve for x
   x = 93,164,342.16/12,404.91
6. Step 6: Final answer
   x = 7,510.28