Finding the Fourth Proportional to 67,064.70, 100,572.14 and 19,667.55

Step by Step Solution

1. Step 1: Write the proportion equation
   67,064.70 : 100,572.14 = 19,667.55 : x
2. Step 2: Convert to fraction form
   67,064.70/100,572.14 = 19,667.55/x
3. Step 3: Cross multiply
   67,064.70x = 100,572.14 × 19,667.55
4. Step 4: Simplify right side
   67,064.70x = 1,978,007,641.23
5. Step 5: Solve for x
   x = 1,978,007,641.23/67,064.70
6. Step 6: Final answer
   x = 29,494.02