Finding the Fourth Proportional to 9,187.16, 12,674.22 and 5,459

Step by Step Solution

1. Step 1: Write the proportion equation
   9,187.16 : 12,674.22 = 5,459 : x
2. Step 2: Convert to fraction form
   9,187.16/12,674.22 = 5,459/x
3. Step 3: Cross multiply
   9,187.16x = 12,674.22 × 5,459
4. Step 4: Simplify right side
   9,187.16x = 69,188,566.98
5. Step 5: Solve for x
   x = 69,188,566.98/9,187.16
6. Step 6: Final answer
   x = 7,531.01