Finding the Fourth Proportional to 161,061.84, 240,508.14 and 131,538.24

Step by Step Solution

1. Step 1: Write the proportion equation
   161,061.84 : 240,508.14 = 131,538.24 : x
2. Step 2: Convert to fraction form
   161,061.84/240,508.14 = 131,538.24/x
3. Step 3: Cross multiply
   161,061.84x = 240,508.14 × 131,538.24
4. Step 4: Simplify right side
   161,061.84x = 31,636,017,441.27
5. Step 5: Solve for x
   x = 31,636,017,441.27/161,061.84
6. Step 6: Final answer
   x = 196,421.56