Finding the Fourth Proportional to 116,171.82, 160,316.37 and 64,488.36

Step by Step Solution

1. Step 1: Write the proportion equation
   116,171.82 : 160,316.37 = 64,488.36 : x
2. Step 2: Convert to fraction form
   116,171.82/160,316.37 = 64,488.36/x
3. Step 3: Cross multiply
   116,171.82x = 160,316.37 × 64,488.36
4. Step 4: Simplify right side
   116,171.82x = 10,338,539,782.45
5. Step 5: Solve for x
   x = 10,338,539,782.45/116,171.82
6. Step 6: Final answer
   x = 88,993.53