Finding the Fourth Proportional to 139,548.52, 209,411.58 and 50,793.40

Step by Step Solution

1. Step 1: Write the proportion equation
   139,548.52 : 209,411.58 = 50,793.40 : x
2. Step 2: Convert to fraction form
   139,548.52/209,411.58 = 50,793.40/x
3. Step 3: Cross multiply
   139,548.52x = 209,411.58 × 50,793.40
4. Step 4: Simplify right side
   139,548.52x = 10,636,726,147.57
5. Step 5: Solve for x
   x = 10,636,726,147.57/139,548.52
6. Step 6: Final answer
   x = 76,222.42