Finding the Fourth Proportional to 161,358.72, 222,680.52 and 88,764.81

Step by Step Solution

1. Step 1: Write the proportion equation
   161,358.72 : 222,680.52 = 88,764.81 : x
2. Step 2: Convert to fraction form
   161,358.72/222,680.52 = 88,764.81/x
3. Step 3: Cross multiply
   161,358.72x = 222,680.52 × 88,764.81
4. Step 4: Simplify right side
   161,358.72x = 19,766,194,048.50
5. Step 5: Solve for x
   x = 19,766,194,048.50/161,358.72
6. Step 6: Final answer
   x = 122,498.46