Finding the Fourth Proportional to 281,061.94, 387,855.81 and 160,242.14

Step by Step Solution

1. Step 1: Write the proportion equation
   281,061.94 : 387,855.81 = 160,242.14 : x
2. Step 2: Convert to fraction form
   281,061.94/387,855.81 = 160,242.14/x
3. Step 3: Cross multiply
   281,061.94x = 387,855.81 × 160,242.14
4. Step 4: Simplify right side
   281,061.94x = 62,150,845,005.83
5. Step 5: Solve for x
   x = 62,150,845,005.83/281,061.94
6. Step 6: Final answer
   x = 221,128.64