Finding the Fourth Proportional to 116,557.10, 160,844.82 and 65,570.84

Step by Step Solution

1. Step 1: Write the proportion equation
   116,557.10 : 160,844.82 = 65,570.84 : x
2. Step 2: Convert to fraction form
   116,557.10/160,844.82 = 65,570.84/x
3. Step 3: Cross multiply
   116,557.10x = 160,844.82 × 65,570.84
4. Step 4: Simplify right side
   116,557.10x = 10,546,729,957.05
5. Step 5: Solve for x
   x = 10,546,729,957.05/116,557.10
6. Step 6: Final answer
   x = 90,485.52