Finding the Fourth Proportional to 10,662.24, 15,994.20 and 3,645.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,662.24 : 15,994.20 = 3,645.60 : x
2. Step 2: Convert to fraction form
   10,662.24/15,994.20 = 3,645.60/x
3. Step 3: Cross multiply
   10,662.24x = 15,994.20 × 3,645.60
4. Step 4: Simplify right side
   10,662.24x = 58,308,455.52
5. Step 5: Solve for x
   x = 58,308,455.52/10,662.24
6. Step 6: Final answer
   x = 5,468.69