Finding the Fourth Proportional to 11,801.80, 16,283.54 and 7,605

Step by Step Solution

1. Step 1: Write the proportion equation
   11,801.80 : 16,283.54 = 7,605 : x
2. Step 2: Convert to fraction form
   11,801.80/16,283.54 = 7,605/x
3. Step 3: Cross multiply
   11,801.80x = 16,283.54 × 7,605
4. Step 4: Simplify right side
   11,801.80x = 123,836,321.70
5. Step 5: Solve for x
   x = 123,836,321.70/11,801.80
6. Step 6: Final answer
   x = 10,493.00