Finding the Fourth Proportional to 160,662.43, 221,714.17 and 89,047.07

Step by Step Solution

1. Step 1: Write the proportion equation
   160,662.43 : 221,714.17 = 89,047.07 : x
2. Step 2: Convert to fraction form
   160,662.43/221,714.17 = 89,047.07/x
3. Step 3: Cross multiply
   160,662.43x = 221,714.17 × 89,047.07
4. Step 4: Simplify right side
   160,662.43x = 19,742,997,215.98
5. Step 5: Solve for x
   x = 19,742,997,215.98/160,662.43
6. Step 6: Final answer
   x = 122,884.97