Finding the Fourth Proportional to 112,619.48, 155,425.50 and 67,296.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,619.48 : 155,425.50 = 67,296.50 : x
2. Step 2: Convert to fraction form
   112,619.48/155,425.50 = 67,296.50/x
3. Step 3: Cross multiply
   112,619.48x = 155,425.50 × 67,296.50
4. Step 4: Simplify right side
   112,619.48x = 10,459,591,383.62
5. Step 5: Solve for x
   x = 10,459,591,383.62/112,619.48
6. Step 6: Final answer
   x = 92,875.51