Finding the Fourth Proportional to 33,261.12, 45,900.72 and 18,357.12

Step by Step Solution

1. Step 1: Write the proportion equation
   33,261.12 : 45,900.72 = 18,357.12 : x
2. Step 2: Convert to fraction form
   33,261.12/45,900.72 = 18,357.12/x
3. Step 3: Cross multiply
   33,261.12x = 45,900.72 × 18,357.12
4. Step 4: Simplify right side
   33,261.12x = 842,605,025.13
5. Step 5: Solve for x
   x = 842,605,025.13/33,261.12
6. Step 6: Final answer
   x = 25,333.03