Finding the Fourth Proportional to 89,448.06, 123,438.24 and 49,164.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,448.06 : 123,438.24 = 49,164.42 : x
2. Step 2: Convert to fraction form
   89,448.06/123,438.24 = 49,164.42/x
3. Step 3: Cross multiply
   89,448.06x = 123,438.24 × 49,164.42
4. Step 4: Simplify right side
   89,448.06x = 6,068,769,475.42
5. Step 5: Solve for x
   x = 6,068,769,475.42/89,448.06
6. Step 6: Final answer
   x = 67,846.85