Finding the Fourth Proportional to 11,989.48, 16,546.98 and 7,272.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,989.48 : 16,546.98 = 7,272.52 : x
2. Step 2: Convert to fraction form
   11,989.48/16,546.98 = 7,272.52/x
3. Step 3: Cross multiply
   11,989.48x = 16,546.98 × 7,272.52
4. Step 4: Simplify right side
   11,989.48x = 120,338,242.99
5. Step 5: Solve for x
   x = 120,338,242.99/11,989.48
6. Step 6: Final answer
   x = 10,036.99