Finding the Fourth Proportional to 11,581.88, 17,373.12 and 3,684.45

Step by Step Solution

1. Step 1: Write the proportion equation
   11,581.88 : 17,373.12 = 3,684.45 : x
2. Step 2: Convert to fraction form
   11,581.88/17,373.12 = 3,684.45/x
3. Step 3: Cross multiply
   11,581.88x = 17,373.12 × 3,684.45
4. Step 4: Simplify right side
   11,581.88x = 64,010,391.98
5. Step 5: Solve for x
   x = 64,010,391.98/11,581.88
6. Step 6: Final answer
   x = 5,526.77