Finding the Fourth Proportional to 69,056.73, 103,573.56 and 19,141.89

Step by Step Solution

1. Step 1: Write the proportion equation
   69,056.73 : 103,573.56 = 19,141.89 : x
2. Step 2: Convert to fraction form
   69,056.73/103,573.56 = 19,141.89/x
3. Step 3: Cross multiply
   69,056.73x = 103,573.56 × 19,141.89
4. Step 4: Simplify right side
   69,056.73x = 1,982,593,692.43
5. Step 5: Solve for x
   x = 1,982,593,692.43/69,056.73
6. Step 6: Final answer
   x = 28,709.64