Finding the Fourth Proportional to 212,667.27, 319,063.20 and 62,911.54

Step by Step Solution

1. Step 1: Write the proportion equation
   212,667.27 : 319,063.20 = 62,911.54 : x
2. Step 2: Convert to fraction form
   212,667.27/319,063.20 = 62,911.54/x
3. Step 3: Cross multiply
   212,667.27x = 319,063.20 × 62,911.54
4. Step 4: Simplify right side
   212,667.27x = 20,072,757,269.33
5. Step 5: Solve for x
   x = 20,072,757,269.33/212,667.27
6. Step 6: Final answer
   x = 94,385.74