Finding the Fourth Proportional to 71,391.04, 107,086.82 and 18,083.00

Step by Step Solution

1. Step 1: Write the proportion equation
   71,391.04 : 107,086.82 = 18,083.00 : x
2. Step 2: Convert to fraction form
   71,391.04/107,086.82 = 18,083.00/x
3. Step 3: Cross multiply
   71,391.04x = 107,086.82 × 18,083.00
4. Step 4: Simplify right side
   71,391.04x = 1,936,450,642.72
5. Step 5: Solve for x
   x = 1,936,450,642.72/71,391.04
6. Step 6: Final answer
   x = 27,124.56