Finding the Fourth Proportional to 11,826.81, 16,320.42 and 7,110.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,826.81 : 16,320.42 = 7,110.18 : x
2. Step 2: Convert to fraction form
   11,826.81/16,320.42 = 7,110.18/x
3. Step 3: Cross multiply
   11,826.81x = 16,320.42 × 7,110.18
4. Step 4: Simplify right side
   11,826.81x = 116,041,123.88
5. Step 5: Solve for x
   x = 116,041,123.88/11,826.81
6. Step 6: Final answer
   x = 9,811.70