Finding the Fourth Proportional to 11,460.79, 17,191.34 and 3,669.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,460.79 : 17,191.34 = 3,669.60 : x
2. Step 2: Convert to fraction form
   11,460.79/17,191.34 = 3,669.60/x
3. Step 3: Cross multiply
   11,460.79x = 17,191.34 × 3,669.60
4. Step 4: Simplify right side
   11,460.79x = 63,085,401.14
5. Step 5: Solve for x
   x = 63,085,401.14/11,460.79
6. Step 6: Final answer
   x = 5,504.45