Finding the Fourth Proportional to 89,462.64, 123,458.46 and 49,179

Step by Step Solution

1. Step 1: Write the proportion equation
   89,462.64 : 123,458.46 = 49,179 : x
2. Step 2: Convert to fraction form
   89,462.64/123,458.46 = 49,179/x
3. Step 3: Cross multiply
   89,462.64x = 123,458.46 × 49,179
4. Step 4: Simplify right side
   89,462.64x = 6,071,563,604.34
5. Step 5: Solve for x
   x = 6,071,563,604.34/89,462.64
6. Step 6: Final answer
   x = 67,867.03