Finding the Fourth Proportional to 89,449.42, 123,442.55 and 49,164.26

Step by Step Solution

1. Step 1: Write the proportion equation
   89,449.42 : 123,442.55 = 49,164.26 : x
2. Step 2: Convert to fraction form
   89,449.42/123,442.55 = 49,164.26/x
3. Step 3: Cross multiply
   89,449.42x = 123,442.55 × 49,164.26
4. Step 4: Simplify right side
   89,449.42x = 6,068,961,128.96
5. Step 5: Solve for x
   x = 6,068,961,128.96/89,449.42
6. Step 6: Final answer
   x = 67,847.97