Finding the Fourth Proportional to 34,139.35, 47,085.59 and 22,206.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,139.35 : 47,085.59 = 22,206.50 : x
2. Step 2: Convert to fraction form
   34,139.35/47,085.59 = 22,206.50/x
3. Step 3: Cross multiply
   34,139.35x = 47,085.59 × 22,206.50
4. Step 4: Simplify right side
   34,139.35x = 1,045,605,974.42
5. Step 5: Solve for x
   x = 1,045,605,974.42/34,139.35
6. Step 6: Final answer
   x = 30,627.59