Finding the Fourth Proportional to 140,076.30, 193,321.89 and 79,656.03

Step by Step Solution

1. Step 1: Write the proportion equation
   140,076.30 : 193,321.89 = 79,656.03 : x
2. Step 2: Convert to fraction form
   140,076.30/193,321.89 = 79,656.03/x
3. Step 3: Cross multiply
   140,076.30x = 193,321.89 × 79,656.03
4. Step 4: Simplify right side
   140,076.30x = 15,399,254,269.50
5. Step 5: Solve for x
   x = 15,399,254,269.50/140,076.30
6. Step 6: Final answer
   x = 109,934.76