Finding the Fourth Proportional to 112,845.15, 155,721.63 and 67,496.34

Step by Step Solution

1. Step 1: Write the proportion equation
   112,845.15 : 155,721.63 = 67,496.34 : x
2. Step 2: Convert to fraction form
   112,845.15/155,721.63 = 67,496.34/x
3. Step 3: Cross multiply
   112,845.15x = 155,721.63 × 67,496.34
4. Step 4: Simplify right side
   112,845.15x = 10,510,640,083.83
5. Step 5: Solve for x
   x = 10,510,640,083.83/112,845.15
6. Step 6: Final answer
   x = 93,142.15