Finding the Fourth Proportional to 12,408.54, 17,123.76 and 7,103.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,408.54 : 17,123.76 = 7,103.46 : x
2. Step 2: Convert to fraction form
   12,408.54/17,123.76 = 7,103.46/x
3. Step 3: Cross multiply
   12,408.54x = 17,123.76 × 7,103.46
4. Step 4: Simplify right side
   12,408.54x = 121,637,944.21
5. Step 5: Solve for x
   x = 121,637,944.21/12,408.54
6. Step 6: Final answer
   x = 9,802.76