Finding the Fourth Proportional to 185,958.40, 256,611.72 and 101,074.72

Step by Step Solution

1. Step 1: Write the proportion equation
   185,958.40 : 256,611.72 = 101,074.72 : x
2. Step 2: Convert to fraction form
   185,958.40/256,611.72 = 101,074.72/x
3. Step 3: Cross multiply
   185,958.40x = 256,611.72 × 101,074.72
4. Step 4: Simplify right side
   185,958.40x = 25,936,957,747.72
5. Step 5: Solve for x
   x = 25,936,957,747.72/185,958.40
6. Step 6: Final answer
   x = 139,477.20