Finding the Fourth Proportional to 10,885.84, 16,333.86 and 7,559.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,885.84 : 16,333.86 = 7,559.20 : x
2. Step 2: Convert to fraction form
   10,885.84/16,333.86 = 7,559.20/x
3. Step 3: Cross multiply
   10,885.84x = 16,333.86 × 7,559.20
4. Step 4: Simplify right side
   10,885.84x = 123,470,914.51
5. Step 5: Solve for x
   x = 123,470,914.51/10,885.84
6. Step 6: Final answer
   x = 11,342.34