Finding the Fourth Proportional to 139,433.00, 209,107.58 and 39,601.31

Step by Step Solution

1. Step 1: Write the proportion equation
   139,433.00 : 209,107.58 = 39,601.31 : x
2. Step 2: Convert to fraction form
   139,433.00/209,107.58 = 39,601.31/x
3. Step 3: Cross multiply
   139,433.00x = 209,107.58 × 39,601.31
4. Step 4: Simplify right side
   139,433.00x = 8,280,932,855.39
5. Step 5: Solve for x
   x = 8,280,932,855.39/139,433.00
6. Step 6: Final answer
   x = 59,390.05