Finding the Fourth Proportional to 116,104,724.50, 160,188,443.09 and 65,860,668.52

Step by Step Solution

1. Step 1: Write the proportion equation
   116,104,724.50 : 160,188,443.09 = 65,860,668.52 : x
2. Step 2: Convert to fraction form
   116,104,724.50/160,188,443.09 = 65,860,668.52/x
3. Step 3: Cross multiply
   116,104,724.50x = 160,188,443.09 × 65,860,668.52
4. Step 4: Simplify right side
   116,104,724.50x = 10,550,117,951,085,376
5. Step 5: Solve for x
   x = 10,550,117,951,085,376/116,104,724.50
6. Step 6: Final answer
   x = 90,867,257.96