Finding the Fourth Proportional to 160,426.10, 240,875.69 and 89,487.33

Step by Step Solution

1. Step 1: Write the proportion equation
   160,426.10 : 240,875.69 = 89,487.33 : x
2. Step 2: Convert to fraction form
   160,426.10/240,875.69 = 89,487.33/x
3. Step 3: Cross multiply
   160,426.10x = 240,875.69 × 89,487.33
4. Step 4: Simplify right side
   160,426.10x = 21,555,321,912.57
5. Step 5: Solve for x
   x = 21,555,321,912.57/160,426.10
6. Step 6: Final answer
   x = 134,362.94