Finding the Fourth Proportional to 50,032.30, 69,035.05 and 28,521.10

Step by Step Solution

1. Step 1: Write the proportion equation
   50,032.30 : 69,035.05 = 28,521.10 : x
2. Step 2: Convert to fraction form
   50,032.30/69,035.05 = 28,521.10/x
3. Step 3: Cross multiply
   50,032.30x = 69,035.05 × 28,521.10
4. Step 4: Simplify right side
   50,032.30x = 1,968,955,469.10
5. Step 5: Solve for x
   x = 1,968,955,469.10/50,032.30
6. Step 6: Final answer
   x = 39,353.69