Finding the Fourth Proportional to 67,187.34, 100,795.59 and 20,439

Step by Step Solution

1. Step 1: Write the proportion equation
   67,187.34 : 100,795.59 = 20,439 : x
2. Step 2: Convert to fraction form
   67,187.34/100,795.59 = 20,439/x
3. Step 3: Cross multiply
   67,187.34x = 100,795.59 × 20,439
4. Step 4: Simplify right side
   67,187.34x = 2,060,161,064.01
5. Step 5: Solve for x
   x = 2,060,161,064.01/67,187.34
6. Step 6: Final answer
   x = 30,662.94