Finding the Fourth Proportional to 21,769.58, 30,035.31 and 14,100.71

Step by Step Solution

1. Step 1: Write the proportion equation
   21,769.58 : 30,035.31 = 14,100.71 : x
2. Step 2: Convert to fraction form
   21,769.58/30,035.31 = 14,100.71/x
3. Step 3: Cross multiply
   21,769.58x = 30,035.31 × 14,100.71
4. Step 4: Simplify right side
   21,769.58x = 423,519,045.89
5. Step 5: Solve for x
   x = 423,519,045.89/21,769.58
6. Step 6: Final answer
   x = 19,454.63