Finding the Fourth Proportional to 140,139, 193,391.82 and 89,838

Step by Step Solution

1. Step 1: Write the proportion equation
   140,139 : 193,391.82 = 89,838 : x
2. Step 2: Convert to fraction form
   140,139/193,391.82 = 89,838/x
3. Step 3: Cross multiply
   140,139x = 193,391.82 × 89,838
4. Step 4: Simplify right side
   140,139x = 17,373,934,325.16
5. Step 5: Solve for x
   x = 17,373,934,325.16/140,139
6. Step 6: Final answer
   x = 123,976.44