Finding the Fourth Proportional to 212,609.59, 318,870.57 and 94,205.41

Step by Step Solution

1. Step 1: Write the proportion equation
   212,609.59 : 318,870.57 = 94,205.41 : x
2. Step 2: Convert to fraction form
   212,609.59/318,870.57 = 94,205.41/x
3. Step 3: Cross multiply
   212,609.59x = 318,870.57 × 94,205.41
4. Step 4: Simplify right side
   212,609.59x = 30,039,332,783.78
5. Step 5: Solve for x
   x = 30,039,332,783.78/212,609.59
6. Step 6: Final answer
   x = 141,288.70