Finding the Fourth Proportional to 118,956.62, 164,164.86 and 65,243.58

Step by Step Solution

1. Step 1: Write the proportion equation
   118,956.62 : 164,164.86 = 65,243.58 : x
2. Step 2: Convert to fraction form
   118,956.62/164,164.86 = 65,243.58/x
3. Step 3: Cross multiply
   118,956.62x = 164,164.86 × 65,243.58
4. Step 4: Simplify right side
   118,956.62x = 10,710,703,176.60
5. Step 5: Solve for x
   x = 10,710,703,176.60/118,956.62
6. Step 6: Final answer
   x = 90,038.73