Finding the Fourth Proportional to 160,667.28, 221,714.76 and 89,045.52

Step by Step Solution

1. Step 1: Write the proportion equation
   160,667.28 : 221,714.76 = 89,045.52 : x
2. Step 2: Convert to fraction form
   160,667.28/221,714.76 = 89,045.52/x
3. Step 3: Cross multiply
   160,667.28x = 221,714.76 × 89,045.52
4. Step 4: Simplify right side
   160,667.28x = 19,742,706,095.88
5. Step 5: Solve for x
   x = 19,742,706,095.88/160,667.28
6. Step 6: Final answer
   x = 122,879.44