Finding the Fourth Proportional to 33,015.48, 45,549.99 and 30,500.43

Step by Step Solution

1. Step 1: Write the proportion equation
   33,015.48 : 45,549.99 = 30,500.43 : x
2. Step 2: Convert to fraction form
   33,015.48/45,549.99 = 30,500.43/x
3. Step 3: Cross multiply
   33,015.48x = 45,549.99 × 30,500.43
4. Step 4: Simplify right side
   33,015.48x = 1,389,294,281.50
5. Step 5: Solve for x
   x = 1,389,294,281.50/33,015.48
6. Step 6: Final answer
   x = 42,080.09