Finding the Fourth Proportional to 116,621.55, 160,938.41 and 65,635.29

Step by Step Solution

1. Step 1: Write the proportion equation
   116,621.55 : 160,938.41 = 65,635.29 : x
2. Step 2: Convert to fraction form
   116,621.55/160,938.41 = 65,635.29/x
3. Step 3: Cross multiply
   116,621.55x = 160,938.41 × 65,635.29
4. Step 4: Simplify right side
   116,621.55x = 10,563,239,212.49
5. Step 5: Solve for x
   x = 10,563,239,212.49/116,621.55
6. Step 6: Final answer
   x = 90,577.08