Finding the Fourth Proportional to 12,589.61, 17,372.27 and 7,283.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,589.61 : 17,372.27 = 7,283.57 : x
2. Step 2: Convert to fraction form
   12,589.61/17,372.27 = 7,283.57/x
3. Step 3: Cross multiply
   12,589.61x = 17,372.27 × 7,283.57
4. Step 4: Simplify right side
   12,589.61x = 126,532,075.95
5. Step 5: Solve for x
   x = 126,532,075.95/12,589.61
6. Step 6: Final answer
   x = 10,050.52