Finding the Fourth Proportional to 140,558.24, 193,972.72 and 76,896.48

Step by Step Solution

1. Step 1: Write the proportion equation
   140,558.24 : 193,972.72 = 76,896.48 : x
2. Step 2: Convert to fraction form
   140,558.24/193,972.72 = 76,896.48/x
3. Step 3: Cross multiply
   140,558.24x = 193,972.72 × 76,896.48
4. Step 4: Simplify right side
   140,558.24x = 14,915,819,384.03
5. Step 5: Solve for x
   x = 14,915,819,384.03/140,558.24
6. Step 6: Final answer
   x = 106,118.43