Finding the Fourth Proportional to 11,003.16, 16,505.28 and 3,604.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,003.16 : 16,505.28 = 3,604.62 : x
2. Step 2: Convert to fraction form
   11,003.16/16,505.28 = 3,604.62/x
3. Step 3: Cross multiply
   11,003.16x = 16,505.28 × 3,604.62
4. Step 4: Simplify right side
   11,003.16x = 59,495,262.39
5. Step 5: Solve for x
   x = 59,495,262.39/11,003.16
6. Step 6: Final answer
   x = 5,407.11