Finding the Fourth Proportional to 11,587.59, 17,383.23 and 4,191.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,587.59 : 17,383.23 = 4,191.30 : x
2. Step 2: Convert to fraction form
   11,587.59/17,383.23 = 4,191.30/x
3. Step 3: Cross multiply
   11,587.59x = 17,383.23 × 4,191.30
4. Step 4: Simplify right side
   11,587.59x = 72,858,331.90
5. Step 5: Solve for x
   x = 72,858,331.90/11,587.59
6. Step 6: Final answer
   x = 6,287.62