Finding the Fourth Proportional to 10,763.78, 16,145.55 and 7,588.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,763.78 : 16,145.55 = 7,588.15 : x
2. Step 2: Convert to fraction form
   10,763.78/16,145.55 = 7,588.15/x
3. Step 3: Cross multiply
   10,763.78x = 16,145.55 × 7,588.15
4. Step 4: Simplify right side
   10,763.78x = 122,514,855.23
5. Step 5: Solve for x
   x = 122,514,855.23/10,763.78
6. Step 6: Final answer
   x = 11,382.14