Finding the Fourth Proportional to 116,636.58, 160,963.59 and 65,652.60

Step by Step Solution

1. Step 1: Write the proportion equation
   116,636.58 : 160,963.59 = 65,652.60 : x
2. Step 2: Convert to fraction form
   116,636.58/160,963.59 = 65,652.60/x
3. Step 3: Cross multiply
   116,636.58x = 160,963.59 × 65,652.60
4. Step 4: Simplify right side
   116,636.58x = 10,567,678,188.83
5. Step 5: Solve for x
   x = 10,567,678,188.83/116,636.58
6. Step 6: Final answer
   x = 90,603.46