Finding the Fourth Proportional to 161,196.76, 222,394.82 and 96,686.88

Step by Step Solution

1. Step 1: Write the proportion equation
   161,196.76 : 222,394.82 = 96,686.88 : x
2. Step 2: Convert to fraction form
   161,196.76/222,394.82 = 96,686.88/x
3. Step 3: Cross multiply
   161,196.76x = 222,394.82 × 96,686.88
4. Step 4: Simplify right side
   161,196.76x = 21,502,660,269.29
5. Step 5: Solve for x
   x = 21,502,660,269.29/161,196.76
6. Step 6: Final answer
   x = 133,393.88