Finding the Fourth Proportional to 140,399.54, 193,748.52 and 76,737.79

Step by Step Solution

1. Step 1: Write the proportion equation
   140,399.54 : 193,748.52 = 76,737.79 : x
2. Step 2: Convert to fraction form
   140,399.54/193,748.52 = 76,737.79/x
3. Step 3: Cross multiply
   140,399.54x = 193,748.52 × 76,737.79
4. Step 4: Simplify right side
   140,399.54x = 14,867,832,856.88
5. Step 5: Solve for x
   x = 14,867,832,856.88/140,399.54
6. Step 6: Final answer
   x = 105,896.59