Finding the Fourth Proportional to 116,099.95, 160,069.61 and 75,191.80

Step by Step Solution

1. Step 1: Write the proportion equation
   116,099.95 : 160,069.61 = 75,191.80 : x
2. Step 2: Convert to fraction form
   116,099.95/160,069.61 = 75,191.80/x
3. Step 3: Cross multiply
   116,099.95x = 160,069.61 × 75,191.80
4. Step 4: Simplify right side
   116,099.95x = 12,035,920,924.89
5. Step 5: Solve for x
   x = 12,035,920,924.89/116,099.95
6. Step 6: Final answer
   x = 103,668.62