Finding the Fourth Proportional to 11,649.54, 17,444.50 and 7,688.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,649.54 : 17,444.50 = 7,688.82 : x
2. Step 2: Convert to fraction form
   11,649.54/17,444.50 = 7,688.82/x
3. Step 3: Cross multiply
   11,649.54x = 17,444.50 × 7,688.82
4. Step 4: Simplify right side
   11,649.54x = 134,127,620.49
5. Step 5: Solve for x
   x = 134,127,620.49/11,649.54
6. Step 6: Final answer
   x = 11,513.56