Finding the Fourth Proportional to 118,915.74, 164,101.86 and 65,201.22

Step by Step Solution

1. Step 1: Write the proportion equation
   118,915.74 : 164,101.86 = 65,201.22 : x
2. Step 2: Convert to fraction form
   118,915.74/164,101.86 = 65,201.22/x
3. Step 3: Cross multiply
   118,915.74x = 164,101.86 × 65,201.22
4. Step 4: Simplify right side
   118,915.74x = 10,699,641,476.27
5. Step 5: Solve for x
   x = 10,699,641,476.27/118,915.74
6. Step 6: Final answer
   x = 89,976.66