Finding the Fourth Proportional to 11,900.98, 16,426.98 and 6,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,900.98 : 16,426.98 = 6,868.50 : x
2. Step 2: Convert to fraction form
   11,900.98/16,426.98 = 6,868.50/x
3. Step 3: Cross multiply
   11,900.98x = 16,426.98 × 6,868.50
4. Step 4: Simplify right side
   11,900.98x = 112,828,650.53
5. Step 5: Solve for x
   x = 112,828,650.53/11,900.98
6. Step 6: Final answer
   x = 9,480.62