Finding the Fourth Proportional to 116,205.22, 160,349.99 and 65,207.42

Step by Step Solution

1. Step 1: Write the proportion equation
   116,205.22 : 160,349.99 = 65,207.42 : x
2. Step 2: Convert to fraction form
   116,205.22/160,349.99 = 65,207.42/x
3. Step 3: Cross multiply
   116,205.22x = 160,349.99 × 65,207.42
4. Step 4: Simplify right side
   116,205.22x = 10,456,009,144.93
5. Step 5: Solve for x
   x = 10,456,009,144.93/116,205.22
6. Step 6: Final answer
   x = 89,978.82