Finding the Fourth Proportional to 11,591.61, 17,385.49 and 3,269.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,591.61 : 17,385.49 = 3,269.72 : x
2. Step 2: Convert to fraction form
   11,591.61/17,385.49 = 3,269.72/x
3. Step 3: Cross multiply
   11,591.61x = 17,385.49 × 3,269.72
4. Step 4: Simplify right side
   11,591.61x = 56,845,615.73
5. Step 5: Solve for x
   x = 56,845,615.73/11,591.61
6. Step 6: Final answer
   x = 4,904.03