Finding the Fourth Proportional to 117,878.49, 162,669.47 and 67,574.25

Step by Step Solution

1. Step 1: Write the proportion equation
   117,878.49 : 162,669.47 = 67,574.25 : x
2. Step 2: Convert to fraction form
   117,878.49/162,669.47 = 67,574.25/x
3. Step 3: Cross multiply
   117,878.49x = 162,669.47 × 67,574.25
4. Step 4: Simplify right side
   117,878.49x = 10,992,267,095.28
5. Step 5: Solve for x
   x = 10,992,267,095.28/117,878.49
6. Step 6: Final answer
   x = 93,250.83