Finding the Fourth Proportional to 139,162.52, 208,757.45 and 39,323.48

Step by Step Solution

1. Step 1: Write the proportion equation
   139,162.52 : 208,757.45 = 39,323.48 : x
2. Step 2: Convert to fraction form
   139,162.52/208,757.45 = 39,323.48/x
3. Step 3: Cross multiply
   139,162.52x = 208,757.45 × 39,323.48
4. Step 4: Simplify right side
   139,162.52x = 8,209,068,464.45
5. Step 5: Solve for x
   x = 8,209,068,464.45/139,162.52
6. Step 6: Final answer
   x = 58,989.07