Finding the Fourth Proportional to 11,816.50, 16,296.83 and 7,099.87

Step by Step Solution

1. Step 1: Write the proportion equation
   11,816.50 : 16,296.83 = 7,099.87 : x
2. Step 2: Convert to fraction form
   11,816.50/16,296.83 = 7,099.87/x
3. Step 3: Cross multiply
   11,816.50x = 16,296.83 × 7,099.87
4. Step 4: Simplify right side
   11,816.50x = 115,705,292.93
5. Step 5: Solve for x
   x = 115,705,292.93/11,816.50
6. Step 6: Final answer
   x = 9,791.85