Finding the Fourth Proportional to 11,972.63, 16,514.30 and 7,488.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,972.63 : 16,514.30 = 7,488.59 : x
2. Step 2: Convert to fraction form
   11,972.63/16,514.30 = 7,488.59/x
3. Step 3: Cross multiply
   11,972.63x = 16,514.30 × 7,488.59
4. Step 4: Simplify right side
   11,972.63x = 123,668,881.84
5. Step 5: Solve for x
   x = 123,668,881.84/11,972.63
6. Step 6: Final answer
   x = 10,329.30