Finding the Fourth Proportional to 30,572.03, 42,169.98 and 22,086.63

Step by Step Solution

1. Step 1: Write the proportion equation
   30,572.03 : 42,169.98 = 22,086.63 : x
2. Step 2: Convert to fraction form
   30,572.03/42,169.98 = 22,086.63/x
3. Step 3: Cross multiply
   30,572.03x = 42,169.98 × 22,086.63
4. Step 4: Simplify right side
   30,572.03x = 931,392,745.37
5. Step 5: Solve for x
   x = 931,392,745.37/30,572.03
6. Step 6: Final answer
   x = 30,465.52