Finding the Fourth Proportional to 50,072.30, 69,103.12 and 28,852.94

Step by Step Solution

1. Step 1: Write the proportion equation
   50,072.30 : 69,103.12 = 28,852.94 : x
2. Step 2: Convert to fraction form
   50,072.30/69,103.12 = 28,852.94/x
3. Step 3: Cross multiply
   50,072.30x = 69,103.12 × 28,852.94
4. Step 4: Simplify right side
   50,072.30x = 1,993,828,175.17
5. Step 5: Solve for x
   x = 1,993,828,175.17/50,072.30
6. Step 6: Final answer
   x = 39,818.99