Finding the Fourth Proportional to 50,121, 69,166.98 and 29,978.73

Step by Step Solution

1. Step 1: Write the proportion equation
   50,121 : 69,166.98 = 29,978.73 : x
2. Step 2: Convert to fraction form
   50,121/69,166.98 = 29,978.73/x
3. Step 3: Cross multiply
   50,121x = 69,166.98 × 29,978.73
4. Step 4: Simplify right side
   50,121x = 2,073,538,218.34
5. Step 5: Solve for x
   x = 2,073,538,218.34/50,121
6. Step 6: Final answer
   x = 41,370.65