Finding the Fourth Proportional to 21,076.31, 29,059.98 and 17,047.46

Step by Step Solution

1. Step 1: Write the proportion equation
   21,076.31 : 29,059.98 = 17,047.46 : x
2. Step 2: Convert to fraction form
   21,076.31/29,059.98 = 17,047.46/x
3. Step 3: Cross multiply
   21,076.31x = 29,059.98 × 17,047.46
4. Step 4: Simplify right side
   21,076.31x = 495,398,846.65
5. Step 5: Solve for x
   x = 495,398,846.65/21,076.31
6. Step 6: Final answer
   x = 23,505.01