Finding the Fourth Proportional to 91,196.18, 125,845.50 and 50,912.47

Step by Step Solution

1. Step 1: Write the proportion equation
   91,196.18 : 125,845.50 = 50,912.47 : x
2. Step 2: Convert to fraction form
   91,196.18/125,845.50 = 50,912.47/x
3. Step 3: Cross multiply
   91,196.18x = 125,845.50 × 50,912.47
4. Step 4: Simplify right side
   91,196.18x = 6,407,105,243.39
5. Step 5: Solve for x
   x = 6,407,105,243.39/91,196.18
6. Step 6: Final answer
   x = 70,256.29