Finding the Fourth Proportional to 160,642.82, 221,688.33 and 89,024

Step by Step Solution

1. Step 1: Write the proportion equation
   160,642.82 : 221,688.33 = 89,024 : x
2. Step 2: Convert to fraction form
   160,642.82/221,688.33 = 89,024/x
3. Step 3: Cross multiply
   160,642.82x = 221,688.33 × 89,024
4. Step 4: Simplify right side
   160,642.82x = 19,735,581,889.92
5. Step 5: Solve for x
   x = 19,735,581,889.92/160,642.82
6. Step 6: Final answer
   x = 122,853.81