Finding the Fourth Proportional to 222,012.72, 332,931.42 and 88,868.16

Step by Step Solution

1. Step 1: Write the proportion equation
   222,012.72 : 332,931.42 = 88,868.16 : x
2. Step 2: Convert to fraction form
   222,012.72/332,931.42 = 88,868.16/x
3. Step 3: Cross multiply
   222,012.72x = 332,931.42 × 88,868.16
4. Step 4: Simplify right side
   222,012.72x = 29,587,002,701.59
5. Step 5: Solve for x
   x = 29,587,002,701.59/222,012.72
6. Step 6: Final answer
   x = 133,267.15