Finding the Fourth Proportional to 117,838.50, 162,617.16 and 67,537.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,838.50 : 162,617.16 = 67,537.50 : x
2. Step 2: Convert to fraction form
   117,838.50/162,617.16 = 67,537.50/x
3. Step 3: Cross multiply
   117,838.50x = 162,617.16 × 67,537.50
4. Step 4: Simplify right side
   117,838.50x = 10,982,756,443.50
5. Step 5: Solve for x
   x = 10,982,756,443.50/117,838.50
6. Step 6: Final answer
   x = 93,201.77