Finding the Fourth Proportional to 140,507.58, 193,900.61 and 76,845.53

Step by Step Solution

1. Step 1: Write the proportion equation
   140,507.58 : 193,900.61 = 76,845.53 : x
2. Step 2: Convert to fraction form
   140,507.58/193,900.61 = 76,845.53/x
3. Step 3: Cross multiply
   140,507.58x = 193,900.61 × 76,845.53
4. Step 4: Simplify right side
   140,507.58x = 14,900,394,512.82
5. Step 5: Solve for x
   x = 14,900,394,512.82/140,507.58
6. Step 6: Final answer
   x = 106,046.91