Finding the Fourth Proportional to 118,936.05, 164,134.00 and 65,217.86

Step by Step Solution

1. Step 1: Write the proportion equation
   118,936.05 : 164,134.00 = 65,217.86 : x
2. Step 2: Convert to fraction form
   118,936.05/164,134.00 = 65,217.86/x
3. Step 3: Cross multiply
   118,936.05x = 164,134.00 × 65,217.86
4. Step 4: Simplify right side
   118,936.05x = 10,704,467,742.74
5. Step 5: Solve for x
   x = 10,704,467,742.74/118,936.05
6. Step 6: Final answer
   x = 90,001.88