Finding the Fourth Proportional to 11,972.07, 16,513.55 and 7,488.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,972.07 : 16,513.55 = 7,488.04 : x
2. Step 2: Convert to fraction form
   11,972.07/16,513.55 = 7,488.04/x
3. Step 3: Cross multiply
   11,972.07x = 16,513.55 × 7,488.04
4. Step 4: Simplify right side
   11,972.07x = 123,654,085.50
5. Step 5: Solve for x
   x = 123,654,085.50/11,972.07
6. Step 6: Final answer
   x = 10,328.55