Finding the Fourth Proportional to 33,378, 46,061.71 and 18,271.63

Step by Step Solution

1. Step 1: Write the proportion equation
   33,378 : 46,061.71 = 18,271.63 : x
2. Step 2: Convert to fraction form
   33,378/46,061.71 = 18,271.63/x
3. Step 3: Cross multiply
   33,378x = 46,061.71 × 18,271.63
4. Step 4: Simplify right side
   33,378x = 841,622,522.29
5. Step 5: Solve for x
   x = 841,622,522.29/33,378
6. Step 6: Final answer
   x = 25,214.89