Finding the Fourth Proportional to 33,036.47, 45,628.17 and 21,756.39

Step by Step Solution

1. Step 1: Write the proportion equation
   33,036.47 : 45,628.17 = 21,756.39 : x
2. Step 2: Convert to fraction form
   33,036.47/45,628.17 = 21,756.39/x
3. Step 3: Cross multiply
   33,036.47x = 45,628.17 × 21,756.39
4. Step 4: Simplify right side
   33,036.47x = 992,704,008.81
5. Step 5: Solve for x
   x = 992,704,008.81/33,036.47
6. Step 6: Final answer
   x = 30,048.73