Finding the Fourth Proportional to 140,119.80, 193,365.32 and 89,818.80

Step by Step Solution

1. Step 1: Write the proportion equation
   140,119.80 : 193,365.32 = 89,818.80 : x
2. Step 2: Convert to fraction form
   140,119.80/193,365.32 = 89,818.80/x
3. Step 3: Cross multiply
   140,119.80x = 193,365.32 × 89,818.80
4. Step 4: Simplify right side
   140,119.80x = 17,367,841,004.02
5. Step 5: Solve for x
   x = 17,367,841,004.02/140,119.80
6. Step 6: Final answer
   x = 123,949.94