Finding the Fourth Proportional to 72,408.72, 99,854.04 and 50,891.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,408.72 : 99,854.04 = 50,891.52 : x
2. Step 2: Convert to fraction form
   72,408.72/99,854.04 = 50,891.52/x
3. Step 3: Cross multiply
   72,408.72x = 99,854.04 × 50,891.52
4. Step 4: Simplify right side
   72,408.72x = 5,081,723,873.74
5. Step 5: Solve for x
   x = 5,081,723,873.74/72,408.72
6. Step 6: Final answer
   x = 70,181.10