Finding the Fourth Proportional to 118,804.25, 163,909.50 and 67,780.33

Step by Step Solution

1. Step 1: Write the proportion equation
   118,804.25 : 163,909.50 = 67,780.33 : x
2. Step 2: Convert to fraction form
   118,804.25/163,909.50 = 67,780.33/x
3. Step 3: Cross multiply
   118,804.25x = 163,909.50 × 67,780.33
4. Step 4: Simplify right side
   118,804.25x = 11,109,839,180.59
5. Step 5: Solve for x
   x = 11,109,839,180.59/118,804.25
6. Step 6: Final answer
   x = 93,513.82