Finding the Fourth Proportional to 67,111.37, 100,664.73 and 17,191.95

Step by Step Solution

1. Step 1: Write the proportion equation
   67,111.37 : 100,664.73 = 17,191.95 : x
2. Step 2: Convert to fraction form
   67,111.37/100,664.73 = 17,191.95/x
3. Step 3: Cross multiply
   67,111.37x = 100,664.73 × 17,191.95
4. Step 4: Simplify right side
   67,111.37x = 1,730,623,525.14
5. Step 5: Solve for x
   x = 1,730,623,525.14/67,111.37
6. Step 6: Final answer
   x = 25,787.34