Finding the Fourth Proportional to 42,212.22, 63,315.06 and 17,245.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,212.22 : 63,315.06 = 17,245.62 : x
2. Step 2: Convert to fraction form
   42,212.22/63,315.06 = 17,245.62/x
3. Step 3: Cross multiply
   42,212.22x = 63,315.06 × 17,245.62
4. Step 4: Simplify right side
   42,212.22x = 1,091,907,465.04
5. Step 5: Solve for x
   x = 1,091,907,465.04/42,212.22
6. Step 6: Final answer
   x = 25,867.09