Finding the Fourth Proportional to 116,017.50, 160,181.38 and 89,112

Step by Step Solution

1. Step 1: Write the proportion equation
   116,017.50 : 160,181.38 = 89,112 : x
2. Step 2: Convert to fraction form
   116,017.50/160,181.38 = 89,112/x
3. Step 3: Cross multiply
   116,017.50x = 160,181.38 × 89,112
4. Step 4: Simplify right side
   116,017.50x = 14,274,083,134.56
5. Step 5: Solve for x
   x = 14,274,083,134.56/116,017.50
6. Step 6: Final answer
   x = 123,033.88