Finding the Fourth Proportional to 11,360.82, 15,682.77 and 7,636.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,360.82 : 15,682.77 = 7,636.98 : x
2. Step 2: Convert to fraction form
   11,360.82/15,682.77 = 7,636.98/x
3. Step 3: Cross multiply
   11,360.82x = 15,682.77 × 7,636.98
4. Step 4: Simplify right side
   11,360.82x = 119,769,000.83
5. Step 5: Solve for x
   x = 119,769,000.83/11,360.82
6. Step 6: Final answer
   x = 10,542.28