Finding the Fourth Proportional to 140,613.45, 194,016.51 and 83,270.79

Step by Step Solution

1. Step 1: Write the proportion equation
   140,613.45 : 194,016.51 = 83,270.79 : x
2. Step 2: Convert to fraction form
   140,613.45/194,016.51 = 83,270.79/x
3. Step 3: Cross multiply
   140,613.45x = 194,016.51 × 83,270.79
4. Step 4: Simplify right side
   140,613.45x = 16,155,908,060.74
5. Step 5: Solve for x
   x = 16,155,908,060.74/140,613.45
6. Step 6: Final answer
   x = 114,895.89