Finding the Fourth Proportional to 86,993.04, 120,046.72 and 50,697.92

Step by Step Solution

1. Step 1: Write the proportion equation
   86,993.04 : 120,046.72 = 50,697.92 : x
2. Step 2: Convert to fraction form
   86,993.04/120,046.72 = 50,697.92/x
3. Step 3: Cross multiply
   86,993.04x = 120,046.72 × 50,697.92
4. Step 4: Simplify right side
   86,993.04x = 6,086,119,006.82
5. Step 5: Solve for x
   x = 6,086,119,006.82/86,993.04
6. Step 6: Final answer
   x = 69,960.99