Finding the Fourth Proportional to 49,942.74, 74,913.59 and 28,869.37

Step by Step Solution

1. Step 1: Write the proportion equation
   49,942.74 : 74,913.59 = 28,869.37 : x
2. Step 2: Convert to fraction form
   49,942.74/74,913.59 = 28,869.37/x
3. Step 3: Cross multiply
   49,942.74x = 74,913.59 × 28,869.37
4. Step 4: Simplify right side
   49,942.74x = 2,162,708,243.32
5. Step 5: Solve for x
   x = 2,162,708,243.32/49,942.74
6. Step 6: Final answer
   x = 43,303.76