Finding the Fourth Proportional to 33,066.63, 45,628.11 and 19,638.45

Step by Step Solution

1. Step 1: Write the proportion equation
   33,066.63 : 45,628.11 = 19,638.45 : x
2. Step 2: Convert to fraction form
   33,066.63/45,628.11 = 19,638.45/x
3. Step 3: Cross multiply
   33,066.63x = 45,628.11 × 19,638.45
4. Step 4: Simplify right side
   33,066.63x = 896,065,356.83
5. Step 5: Solve for x
   x = 896,065,356.83/33,066.63
6. Step 6: Final answer
   x = 27,098.78