Finding the Fourth Proportional to 91,447.05, 126,201.83 and 51,158.41

Step by Step Solution

1. Step 1: Write the proportion equation
   91,447.05 : 126,201.83 = 51,158.41 : x
2. Step 2: Convert to fraction form
   91,447.05/126,201.83 = 51,158.41/x
3. Step 3: Cross multiply
   91,447.05x = 126,201.83 × 51,158.41
4. Step 4: Simplify right side
   91,447.05x = 6,456,285,301.89
5. Step 5: Solve for x
   x = 6,456,285,301.89/91,447.05
6. Step 6: Final answer
   x = 70,601.35