Finding the Fourth Proportional to 11,883.84, 16,403.32 and 7,105.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,883.84 : 16,403.32 = 7,105.76 : x
2. Step 2: Convert to fraction form
   11,883.84/16,403.32 = 7,105.76/x
3. Step 3: Cross multiply
   11,883.84x = 16,403.32 × 7,105.76
4. Step 4: Simplify right side
   11,883.84x = 116,558,055.12
5. Step 5: Solve for x
   x = 116,558,055.12/11,883.84
6. Step 6: Final answer
   x = 9,808.11