Finding the Fourth Proportional to 140,455.86, 193,781.61 and 79,983.63

Step by Step Solution

1. Step 1: Write the proportion equation
   140,455.86 : 193,781.61 = 79,983.63 : x
2. Step 2: Convert to fraction form
   140,455.86/193,781.61 = 79,983.63/x
3. Step 3: Cross multiply
   140,455.86x = 193,781.61 × 79,983.63
4. Step 4: Simplify right side
   140,455.86x = 15,499,356,595.04
5. Step 5: Solve for x
   x = 15,499,356,595.04/140,455.86
6. Step 6: Final answer
   x = 110,350.37