Finding the Fourth Proportional to 118,776.37, 163,914.03 and 67,788.09

Step by Step Solution

1. Step 1: Write the proportion equation
   118,776.37 : 163,914.03 = 67,788.09 : x
2. Step 2: Convert to fraction form
   118,776.37/163,914.03 = 67,788.09/x
3. Step 3: Cross multiply
   118,776.37x = 163,914.03 × 67,788.09
4. Step 4: Simplify right side
   118,776.37x = 11,111,419,017.90
5. Step 5: Solve for x
   x = 11,111,419,017.90/118,776.37
6. Step 6: Final answer
   x = 93,549.07