Finding the Fourth Proportional to 67,043.31, 100,564.88 and 17,123.46

Step by Step Solution

1. Step 1: Write the proportion equation
   67,043.31 : 100,564.88 = 17,123.46 : x
2. Step 2: Convert to fraction form
   67,043.31/100,564.88 = 17,123.46/x
3. Step 3: Cross multiply
   67,043.31x = 100,564.88 × 17,123.46
4. Step 4: Simplify right side
   67,043.31x = 1,722,018,614.47
5. Step 5: Solve for x
   x = 1,722,018,614.47/67,043.31
6. Step 6: Final answer
   x = 25,685.17