Finding the Fourth Proportional to 25,643.98, 35,371.41 and 22,281.03

Step by Step Solution

1. Step 1: Write the proportion equation
   25,643.98 : 35,371.41 = 22,281.03 : x
2. Step 2: Convert to fraction form
   25,643.98/35,371.41 = 22,281.03/x
3. Step 3: Cross multiply
   25,643.98x = 35,371.41 × 22,281.03
4. Step 4: Simplify right side
   25,643.98x = 788,111,447.35
5. Step 5: Solve for x
   x = 788,111,447.35/25,643.98
6. Step 6: Final answer
   x = 30,732.81