Finding the Fourth Proportional to 11,986.37, 16,543.34 and 7,513.95

Step by Step Solution

1. Step 1: Write the proportion equation
   11,986.37 : 16,543.34 = 7,513.95 : x
2. Step 2: Convert to fraction form
   11,986.37/16,543.34 = 7,513.95/x
3. Step 3: Cross multiply
   11,986.37x = 16,543.34 × 7,513.95
4. Step 4: Simplify right side
   11,986.37x = 124,305,829.59
5. Step 5: Solve for x
   x = 124,305,829.59/11,986.37
6. Step 6: Final answer
   x = 10,370.60