Finding the Fourth Proportional to 11,648.33, 16,059.90 and 7,868.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,648.33 : 16,059.90 = 7,868.91 : x
2. Step 2: Convert to fraction form
   11,648.33/16,059.90 = 7,868.91/x
3. Step 3: Cross multiply
   11,648.33x = 16,059.90 × 7,868.91
4. Step 4: Simplify right side
   11,648.33x = 126,373,907.71
5. Step 5: Solve for x
   x = 126,373,907.71/11,648.33
6. Step 6: Final answer
   x = 10,849.11