Finding the Fourth Proportional to 11,040.10, 16,561.79 and 3,645.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,040.10 : 16,561.79 = 3,645.34 : x
2. Step 2: Convert to fraction form
   11,040.10/16,561.79 = 3,645.34/x
3. Step 3: Cross multiply
   11,040.10x = 16,561.79 × 3,645.34
4. Step 4: Simplify right side
   11,040.10x = 60,373,254.52
5. Step 5: Solve for x
   x = 60,373,254.52/11,040.10
6. Step 6: Final answer
   x = 5,468.54