Finding the Fourth Proportional to 139,528.46, 209,290.98 and 34,348.34

Step by Step Solution

1. Step 1: Write the proportion equation
   139,528.46 : 209,290.98 = 34,348.34 : x
2. Step 2: Convert to fraction form
   139,528.46/209,290.98 = 34,348.34/x
3. Step 3: Cross multiply
   139,528.46x = 209,290.98 × 34,348.34
4. Step 4: Simplify right side
   139,528.46x = 7,188,797,739.97
5. Step 5: Solve for x
   x = 7,188,797,739.97/139,528.46
6. Step 6: Final answer
   x = 51,522.09