Finding the Fourth Proportional to 118,878.30, 164,051.82 and 65,163.33

Step by Step Solution

1. Step 1: Write the proportion equation
   118,878.30 : 164,051.82 = 65,163.33 : x
2. Step 2: Convert to fraction form
   118,878.30/164,051.82 = 65,163.33/x
3. Step 3: Cross multiply
   118,878.30x = 164,051.82 × 65,163.33
4. Step 4: Simplify right side
   118,878.30x = 10,690,162,883.76
5. Step 5: Solve for x
   x = 10,690,162,883.76/118,878.30
6. Step 6: Final answer
   x = 89,925.27