Finding the Fourth Proportional to 116,620.83, 160,930.08 and 65,635.68

Step by Step Solution

1. Step 1: Write the proportion equation
   116,620.83 : 160,930.08 = 65,635.68 : x
2. Step 2: Convert to fraction form
   116,620.83/160,930.08 = 65,635.68/x
3. Step 3: Cross multiply
   116,620.83x = 160,930.08 × 65,635.68
4. Step 4: Simplify right side
   116,620.83x = 10,562,755,233.25
5. Step 5: Solve for x
   x = 10,562,755,233.25/116,620.83
6. Step 6: Final answer
   x = 90,573.49