Finding the Fourth Proportional to 140,456.64, 193,830.24 and 76,794.96

Step by Step Solution

1. Step 1: Write the proportion equation
   140,456.64 : 193,830.24 = 76,794.96 : x
2. Step 2: Convert to fraction form
   140,456.64/193,830.24 = 76,794.96/x
3. Step 3: Cross multiply
   140,456.64x = 193,830.24 × 76,794.96
4. Step 4: Simplify right side
   140,456.64x = 14,885,185,527.59
5. Step 5: Solve for x
   x = 14,885,185,527.59/140,456.64
6. Step 6: Final answer
   x = 105,977.09