Finding the Fourth Proportional to 118,768.76, 163,900.90 and 65,053.92

Step by Step Solution

1. Step 1: Write the proportion equation
   118,768.76 : 163,900.90 = 65,053.92 : x
2. Step 2: Convert to fraction form
   118,768.76/163,900.90 = 65,053.92/x
3. Step 3: Cross multiply
   118,768.76x = 163,900.90 × 65,053.92
4. Step 4: Simplify right side
   118,768.76x = 10,662,396,036.53
5. Step 5: Solve for x
   x = 10,662,396,036.53/118,768.76
6. Step 6: Final answer
   x = 89,774.42