Finding the Fourth Proportional to 117,669.78, 162,383.54 and 67,378.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,669.78 : 162,383.54 = 67,378.50 : x
2. Step 2: Convert to fraction form
   117,669.78/162,383.54 = 67,378.50/x
3. Step 3: Cross multiply
   117,669.78x = 162,383.54 × 67,378.50
4. Step 4: Simplify right side
   117,669.78x = 10,941,159,013.00
5. Step 5: Solve for x
   x = 10,941,159,013.00/117,669.78
6. Step 6: Final answer
   x = 92,981.89