Finding the Fourth Proportional to 49,449.89, 68,279.96 and 45,671.55

Step by Step Solution

1. Step 1: Write the proportion equation
   49,449.89 : 68,279.96 = 45,671.55 : x
2. Step 2: Convert to fraction form
   49,449.89/68,279.96 = 45,671.55/x
3. Step 3: Cross multiply
   49,449.89x = 68,279.96 × 45,671.55
4. Step 4: Simplify right side
   49,449.89x = 3,118,451,465.27
5. Step 5: Solve for x
   x = 3,118,451,465.27/49,449.89
6. Step 6: Final answer
   x = 63,062.86