Finding the Fourth Proportional to 112,774.50, 155,628.81 and 67,454.39

Step by Step Solution

1. Step 1: Write the proportion equation
   112,774.50 : 155,628.81 = 67,454.39 : x
2. Step 2: Convert to fraction form
   112,774.50/155,628.81 = 67,454.39/x
3. Step 3: Cross multiply
   112,774.50x = 155,628.81 × 67,454.39
4. Step 4: Simplify right side
   112,774.50x = 10,497,846,834.05
5. Step 5: Solve for x
   x = 10,497,846,834.05/112,774.50
6. Step 6: Final answer
   x = 93,087.06