Finding the Fourth Proportional to 11,063.76, 16,595.60 and 9,111.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,063.76 : 16,595.60 = 9,111.84 : x
2. Step 2: Convert to fraction form
   11,063.76/16,595.60 = 9,111.84/x
3. Step 3: Cross multiply
   11,063.76x = 16,595.60 × 9,111.84
4. Step 4: Simplify right side
   11,063.76x = 151,216,406.34
5. Step 5: Solve for x
   x = 151,216,406.34/11,063.76
6. Step 6: Final answer
   x = 13,667.72