Finding the Fourth Proportional to 11,346.89, 17,024.58 and 5,105.03

Step by Step Solution

1. Step 1: Write the proportion equation
   11,346.89 : 17,024.58 = 5,105.03 : x
2. Step 2: Convert to fraction form
   11,346.89/17,024.58 = 5,105.03/x
3. Step 3: Cross multiply
   11,346.89x = 17,024.58 × 5,105.03
4. Step 4: Simplify right side
   11,346.89x = 86,910,906.51
5. Step 5: Solve for x
   x = 86,910,906.51/11,346.89
6. Step 6: Final answer
   x = 7,659.45