Finding the Fourth Proportional to 12,606.30, 17,392.86 and 7,300.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,606.30 : 17,392.86 = 7,300.09 : x
2. Step 2: Convert to fraction form
   12,606.30/17,392.86 = 7,300.09/x
3. Step 3: Cross multiply
   12,606.30x = 17,392.86 × 7,300.09
4. Step 4: Simplify right side
   12,606.30x = 126,969,465.10
5. Step 5: Solve for x
   x = 126,969,465.10/12,606.30
6. Step 6: Final answer
   x = 10,071.91