Finding the Fourth Proportional to 139,382.58, 209,073.92 and 34,201.55

Step by Step Solution

1. Step 1: Write the proportion equation
   139,382.58 : 209,073.92 = 34,201.55 : x
2. Step 2: Convert to fraction form
   139,382.58/209,073.92 = 34,201.55/x
3. Step 3: Cross multiply
   139,382.58x = 209,073.92 × 34,201.55
4. Step 4: Simplify right side
   139,382.58x = 7,150,650,912.20
5. Step 5: Solve for x
   x = 7,150,650,912.20/139,382.58
6. Step 6: Final answer
   x = 51,302.33