Finding the Fourth Proportional to 112,403.24, 155,103.20 and 67,072.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112,403.24 : 155,103.20 = 67,072.82 : x
2. Step 2: Convert to fraction form
   112,403.24/155,103.20 = 67,072.82/x
3. Step 3: Cross multiply
   112,403.24x = 155,103.20 × 67,072.82
4. Step 4: Simplify right side
   112,403.24x = 10,403,209,015.02
5. Step 5: Solve for x
   x = 10,403,209,015.02/112,403.24
6. Step 6: Final answer
   x = 92,552.57