Finding the Fourth Proportional to 140,425.02, 193,789.53 and 76,768.74

Step by Step Solution

1. Step 1: Write the proportion equation
   140,425.02 : 193,789.53 = 76,768.74 : x
2. Step 2: Convert to fraction form
   140,425.02/193,789.53 = 76,768.74/x
3. Step 3: Cross multiply
   140,425.02x = 193,789.53 × 76,768.74
4. Step 4: Simplify right side
   140,425.02x = 14,876,978,043.29
5. Step 5: Solve for x
   x = 14,876,978,043.29/140,425.02
6. Step 6: Final answer
   x = 105,942.50