Finding the Fourth Proportional to 105,182.60, 145,069.94 and 67,459.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,182.60 : 145,069.94 = 67,459.72 : x
2. Step 2: Convert to fraction form
   105,182.60/145,069.94 = 67,459.72/x
3. Step 3: Cross multiply
   105,182.60x = 145,069.94 × 67,459.72
4. Step 4: Simplify right side
   105,182.60x = 9,786,377,532.82
5. Step 5: Solve for x
   x = 9,786,377,532.82/105,182.60
6. Step 6: Final answer
   x = 93,041.79