Finding the Fourth Proportional to 5,533.05, 7,635.57 and 3,015.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,533.05 : 7,635.57 = 3,015.15 : x
2. Step 2: Convert to fraction form
   5,533.05/7,635.57 = 3,015.15/x
3. Step 3: Cross multiply
   5,533.05x = 7,635.57 × 3,015.15
4. Step 4: Simplify right side
   5,533.05x = 23,022,388.89
5. Step 5: Solve for x
   x = 23,022,388.89/5,533.05
6. Step 6: Final answer
   x = 4,160.89