Finding the Fourth Proportional to 11,381.67, 17,071.83 and 3,589.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,381.67 : 17,071.83 = 3,589.88 : x
2. Step 2: Convert to fraction form
   11,381.67/17,071.83 = 3,589.88/x
3. Step 3: Cross multiply
   11,381.67x = 17,071.83 × 3,589.88
4. Step 4: Simplify right side
   11,381.67x = 61,285,735.72
5. Step 5: Solve for x
   x = 61,285,735.72/11,381.67
6. Step 6: Final answer
   x = 5,384.60