Finding the Fourth Proportional to 112,372.92, 155,025.90 and 67,635

Step by Step Solution

1. Step 1: Write the proportion equation
   112,372.92 : 155,025.90 = 67,635 : x
2. Step 2: Convert to fraction form
   112,372.92/155,025.90 = 67,635/x
3. Step 3: Cross multiply
   112,372.92x = 155,025.90 × 67,635
4. Step 4: Simplify right side
   112,372.92x = 10,485,176,746.50
5. Step 5: Solve for x
   x = 10,485,176,746.50/112,372.92
6. Step 6: Final answer
   x = 93,306.97