Finding the Fourth Proportional to 89,463.14, 123,459.15 and 49,179.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,463.14 : 123,459.15 = 49,179.50 : x
2. Step 2: Convert to fraction form
   89,463.14/123,459.15 = 49,179.50/x
3. Step 3: Cross multiply
   89,463.14x = 123,459.15 × 49,179.50
4. Step 4: Simplify right side
   89,463.14x = 6,071,659,267.43
5. Step 5: Solve for x
   x = 6,071,659,267.43/89,463.14
6. Step 6: Final answer
   x = 67,867.72