Finding the Fourth Proportional to 161,557.32, 242,385.42 and 82,727.34

Step by Step Solution

1. Step 1: Write the proportion equation
   161,557.32 : 242,385.42 = 82,727.34 : x
2. Step 2: Convert to fraction form
   161,557.32/242,385.42 = 82,727.34/x
3. Step 3: Cross multiply
   161,557.32x = 242,385.42 × 82,727.34
4. Step 4: Simplify right side
   161,557.32x = 20,051,901,051.38
5. Step 5: Solve for x
   x = 20,051,901,051.38/161,557.32
6. Step 6: Final answer
   x = 124,116.33