Finding the Fourth Proportional to 50,030.27, 69,050.30 and 28,821.86

Step by Step Solution

1. Step 1: Write the proportion equation
   50,030.27 : 69,050.30 = 28,821.86 : x
2. Step 2: Convert to fraction form
   50,030.27/69,050.30 = 28,821.86/x
3. Step 3: Cross multiply
   50,030.27x = 69,050.30 × 28,821.86
4. Step 4: Simplify right side
   50,030.27x = 1,990,157,590.20
5. Step 5: Solve for x
   x = 1,990,157,590.20/50,030.27
6. Step 6: Final answer
   x = 39,779.07