Finding the Fourth Proportional to 160,976.63, 222,157.82 and 89,357.85

Step by Step Solution

1. Step 1: Write the proportion equation
   160,976.63 : 222,157.82 = 89,357.85 : x
2. Step 2: Convert to fraction form
   160,976.63/222,157.82 = 89,357.85/x
3. Step 3: Cross multiply
   160,976.63x = 222,157.82 × 89,357.85
4. Step 4: Simplify right side
   160,976.63x = 19,851,545,155.89
5. Step 5: Solve for x
   x = 19,851,545,155.89/160,976.63
6. Step 6: Final answer
   x = 123,319.42