Finding the Fourth Proportional to 11,945.84, 16,473.69 and 7,910.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,945.84 : 16,473.69 = 7,910.82 : x
2. Step 2: Convert to fraction form
   11,945.84/16,473.69 = 7,910.82/x
3. Step 3: Cross multiply
   11,945.84x = 16,473.69 × 7,910.82
4. Step 4: Simplify right side
   11,945.84x = 130,320,396.33
5. Step 5: Solve for x
   x = 130,320,396.33/11,945.84
6. Step 6: Final answer
   x = 10,909.27