Finding the Fourth Proportional to 116,617.08, 160,914.96 and 65,622.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,617.08 : 160,914.96 = 65,622.72 : x
2. Step 2: Convert to fraction form
   116,617.08/160,914.96 = 65,622.72/x
3. Step 3: Cross multiply
   116,617.08x = 160,914.96 × 65,622.72
4. Step 4: Simplify right side
   116,617.08x = 10,559,677,363.89
5. Step 5: Solve for x
   x = 10,559,677,363.89/116,617.08
6. Step 6: Final answer
   x = 90,550.01