Finding the Fourth Proportional to 12,603, 17,392.15 and 7,298.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,603 : 17,392.15 = 7,298.10 : x
2. Step 2: Convert to fraction form
   12,603/17,392.15 = 7,298.10/x
3. Step 3: Cross multiply
   12,603x = 17,392.15 × 7,298.10
4. Step 4: Simplify right side
   12,603x = 126,929,649.92
5. Step 5: Solve for x
   x = 126,929,649.92/12,603
6. Step 6: Final answer
   x = 10,071.38