Finding the Fourth Proportional to 116,099.57, 160,069.09 and 75,191.42

Step by Step Solution

1. Step 1: Write the proportion equation
   116,099.57 : 160,069.09 = 75,191.42 : x
2. Step 2: Convert to fraction form
   116,099.57/160,069.09 = 75,191.42/x
3. Step 3: Cross multiply
   116,099.57x = 160,069.09 × 75,191.42
4. Step 4: Simplify right side
   116,099.57x = 12,035,821,987.23
5. Step 5: Solve for x
   x = 12,035,821,987.23/116,099.57
6. Step 6: Final answer
   x = 103,668.10