Finding the Fourth Proportional to 33,066.25, 45,631.53 and 19,638.07

Step by Step Solution

1. Step 1: Write the proportion equation
   33,066.25 : 45,631.53 = 19,638.07 : x
2. Step 2: Convert to fraction form
   33,066.25/45,631.53 = 19,638.07/x
3. Step 3: Cross multiply
   33,066.25x = 45,631.53 × 19,638.07
4. Step 4: Simplify right side
   33,066.25x = 896,115,066.27
5. Step 5: Solve for x
   x = 896,115,066.27/33,066.25
6. Step 6: Final answer
   x = 27,100.60