Finding the Fourth Proportional to 49,054.18, 67,719.96 and 28,917.56

Step by Step Solution

1. Step 1: Write the proportion equation
   49,054.18 : 67,719.96 = 28,917.56 : x
2. Step 2: Convert to fraction form
   49,054.18/67,719.96 = 28,917.56/x
3. Step 3: Cross multiply
   49,054.18x = 67,719.96 × 28,917.56
4. Step 4: Simplify right side
   49,054.18x = 1,958,296,006.50
5. Step 5: Solve for x
   x = 1,958,296,006.50/49,054.18
6. Step 6: Final answer
   x = 39,921.08