Finding the Fourth Proportional to 118,811.40, 163,963.81 and 65,096.25

Step by Step Solution

1. Step 1: Write the proportion equation
   118,811.40 : 163,963.81 = 65,096.25 : x
2. Step 2: Convert to fraction form
   118,811.40/163,963.81 = 65,096.25/x
3. Step 3: Cross multiply
   118,811.40x = 163,963.81 × 65,096.25
4. Step 4: Simplify right side
   118,811.40x = 10,673,429,166.71
5. Step 5: Solve for x
   x = 10,673,429,166.71/118,811.40
6. Step 6: Final answer
   x = 89,835.06