Finding the Fourth Proportional to 11,589, 17,373.12 and 4,191.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,589 : 17,373.12 = 4,191.72 : x
2. Step 2: Convert to fraction form
   11,589/17,373.12 = 4,191.72/x
3. Step 3: Cross multiply
   11,589x = 17,373.12 × 4,191.72
4. Step 4: Simplify right side
   11,589x = 72,823,254.57
5. Step 5: Solve for x
   x = 72,823,254.57/11,589
6. Step 6: Final answer
   x = 6,283.83