Finding the Fourth Proportional to 33,315.57, 45,975.41 and 18,975.40

Step by Step Solution

1. Step 1: Write the proportion equation
   33,315.57 : 45,975.41 = 18,975.40 : x
2. Step 2: Convert to fraction form
   33,315.57/45,975.41 = 18,975.40/x
3. Step 3: Cross multiply
   33,315.57x = 45,975.41 × 18,975.40
4. Step 4: Simplify right side
   33,315.57x = 872,401,892.30
5. Step 5: Solve for x
   x = 872,401,892.30/33,315.57
6. Step 6: Final answer
   x = 26,186.01