Finding the Fourth Proportional to 50,128.25, 69,177 and 29,985.98

Step by Step Solution

1. Step 1: Write the proportion equation
   50,128.25 : 69,177 = 29,985.98 : x
2. Step 2: Convert to fraction form
   50,128.25/69,177 = 29,985.98/x
3. Step 3: Cross multiply
   50,128.25x = 69,177 × 29,985.98
4. Step 4: Simplify right side
   50,128.25x = 2,074,340,138.46
5. Step 5: Solve for x
   x = 2,074,340,138.46/50,128.25
6. Step 6: Final answer
   x = 41,380.66