Finding the Fourth Proportional to 161,776.32, 242,665.12 and 49,456.12

Step by Step Solution

1. Step 1: Write the proportion equation
   161,776.32 : 242,665.12 = 49,456.12 : x
2. Step 2: Convert to fraction form
   161,776.32/242,665.12 = 49,456.12/x
3. Step 3: Cross multiply
   161,776.32x = 242,665.12 × 49,456.12
4. Step 4: Simplify right side
   161,776.32x = 12,001,275,294.53
5. Step 5: Solve for x
   x = 12,001,275,294.53/161,776.32
6. Step 6: Final answer
   x = 74,184.38