Finding the Fourth Proportional to 69,874.56, 104,815.62 and 19,950.72

Step by Step Solution

1. Step 1: Write the proportion equation
   69,874.56 : 104,815.62 = 19,950.72 : x
2. Step 2: Convert to fraction form
   69,874.56/104,815.62 = 19,950.72/x
3. Step 3: Cross multiply
   69,874.56x = 104,815.62 × 19,950.72
4. Step 4: Simplify right side
   69,874.56x = 2,091,147,086.25
5. Step 5: Solve for x
   x = 2,091,147,086.25/69,874.56
6. Step 6: Final answer
   x = 29,927.16