Finding the Fourth Proportional to 112,667.64, 155,470.70 and 67,336.62

Step by Step Solution

1. Step 1: Write the proportion equation
   112,667.64 : 155,470.70 = 67,336.62 : x
2. Step 2: Convert to fraction form
   112,667.64/155,470.70 = 67,336.62/x
3. Step 3: Cross multiply
   112,667.64x = 155,470.70 × 67,336.62
4. Step 4: Simplify right side
   112,667.64x = 10,468,871,447.03
5. Step 5: Solve for x
   x = 10,468,871,447.03/112,667.64
6. Step 6: Final answer
   x = 92,918.17