Finding the Fourth Proportional to 116,013, 160,175.16 and 89,107.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,013 : 160,175.16 = 89,107.50 : x
2. Step 2: Convert to fraction form
   116,013/160,175.16 = 89,107.50/x
3. Step 3: Cross multiply
   116,013x = 160,175.16 × 89,107.50
4. Step 4: Simplify right side
   116,013x = 14,272,808,069.70
5. Step 5: Solve for x
   x = 14,272,808,069.70/116,013
6. Step 6: Final answer
   x = 123,027.66