Finding the Fourth Proportional to 73,137.86, 109,735.89 and 28,147.14

Step by Step Solution

1. Step 1: Write the proportion equation
   73,137.86 : 109,735.89 = 28,147.14 : x
2. Step 2: Convert to fraction form
   73,137.86/109,735.89 = 28,147.14/x
3. Step 3: Cross multiply
   73,137.86x = 109,735.89 × 28,147.14
4. Step 4: Simplify right side
   73,137.86x = 3,088,751,458.85
5. Step 5: Solve for x
   x = 3,088,751,458.85/73,137.86
6. Step 6: Final answer
   x = 42,231.91