Finding the Fourth Proportional to 101,072.76, 151,609.50 and 30,951.78

Step by Step Solution

1. Step 1: Write the proportion equation
   101,072.76 : 151,609.50 = 30,951.78 : x
2. Step 2: Convert to fraction form
   101,072.76/151,609.50 = 30,951.78/x
3. Step 3: Cross multiply
   101,072.76x = 151,609.50 × 30,951.78
4. Step 4: Simplify right side
   101,072.76x = 4,692,583,889.91
5. Step 5: Solve for x
   x = 4,692,583,889.91/101,072.76
6. Step 6: Final answer
   x = 46,427.78