Finding the Fourth Proportional to 118,930.26, 164,128.72 and 65,217.32

Step by Step Solution

1. Step 1: Write the proportion equation
   118,930.26 : 164,128.72 = 65,217.32 : x
2. Step 2: Convert to fraction form
   118,930.26/164,128.72 = 65,217.32/x
3. Step 3: Cross multiply
   118,930.26x = 164,128.72 × 65,217.32
4. Step 4: Simplify right side
   118,930.26x = 10,704,035,253.43
5. Step 5: Solve for x
   x = 10,704,035,253.43/118,930.26
6. Step 6: Final answer
   x = 90,002.62