Finding the Fourth Proportional to 50,391.52, 69,541.94 and 28,885.34

Step by Step Solution

1. Step 1: Write the proportion equation
   50,391.52 : 69,541.94 = 28,885.34 : x
2. Step 2: Convert to fraction form
   50,391.52/69,541.94 = 28,885.34/x
3. Step 3: Cross multiply
   50,391.52x = 69,541.94 × 28,885.34
4. Step 4: Simplify right side
   50,391.52x = 2,008,742,827.23
5. Step 5: Solve for x
   x = 2,008,742,827.23/50,391.52
6. Step 6: Final answer
   x = 39,862.72