Finding the Fourth Proportional to 116,203.74, 160,324.59 and 65,208.96

Step by Step Solution

1. Step 1: Write the proportion equation
   116,203.74 : 160,324.59 = 65,208.96 : x
2. Step 2: Convert to fraction form
   116,203.74/160,324.59 = 65,208.96/x
3. Step 3: Cross multiply
   116,203.74x = 160,324.59 × 65,208.96
4. Step 4: Simplify right side
   116,203.74x = 10,454,599,776.33
5. Step 5: Solve for x
   x = 10,454,599,776.33/116,203.74
6. Step 6: Final answer
   x = 89,967.84