Finding the Fourth Proportional to 112,457.85, 155,166.26 and 67,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,457.85 : 155,166.26 = 67,150.50 : x
2. Step 2: Convert to fraction form
   112,457.85/155,166.26 = 67,150.50/x
3. Step 3: Cross multiply
   112,457.85x = 155,166.26 × 67,150.50
4. Step 4: Simplify right side
   112,457.85x = 10,419,491,606.38
5. Step 5: Solve for x
   x = 10,419,491,606.38/112,457.85
6. Step 6: Final answer
   x = 92,652.42