Finding the Fourth Proportional to 34,139.16, 47,085.33 and 22,206.31

Step by Step Solution

1. Step 1: Write the proportion equation
   34,139.16 : 47,085.33 = 22,206.31 : x
2. Step 2: Convert to fraction form
   34,139.16/47,085.33 = 22,206.31/x
3. Step 3: Cross multiply
   34,139.16x = 47,085.33 × 22,206.31
4. Step 4: Simplify right side
   34,139.16x = 1,045,591,399.99
5. Step 5: Solve for x
   x = 1,045,591,399.99/34,139.16
6. Step 6: Final answer
   x = 30,627.33