Finding the Fourth Proportional to 118,915.39, 164,101.98 and 65,200.27

Step by Step Solution

1. Step 1: Write the proportion equation
   118,915.39 : 164,101.98 = 65,200.27 : x
2. Step 2: Convert to fraction form
   118,915.39/164,101.98 = 65,200.27/x
3. Step 3: Cross multiply
   118,915.39x = 164,101.98 × 65,200.27
4. Step 4: Simplify right side
   118,915.39x = 10,699,493,077.53
5. Step 5: Solve for x
   x = 10,699,493,077.53/118,915.39
6. Step 6: Final answer
   x = 89,975.68