Finding the Fourth Proportional to 33,289.45, 45,940.82 and 19,142.30

Step by Step Solution

1. Step 1: Write the proportion equation
   33,289.45 : 45,940.82 = 19,142.30 : x
2. Step 2: Convert to fraction form
   33,289.45/45,940.82 = 19,142.30/x
3. Step 3: Cross multiply
   33,289.45x = 45,940.82 × 19,142.30
4. Step 4: Simplify right side
   33,289.45x = 879,412,977.83
5. Step 5: Solve for x
   x = 879,412,977.83/33,289.45
6. Step 6: Final answer
   x = 26,417.17