Finding the Fourth Proportional to 49,709.92, 68,591.72 and 28,485.24

Step by Step Solution

1. Step 1: Write the proportion equation
   49,709.92 : 68,591.72 = 28,485.24 : x
2. Step 2: Convert to fraction form
   49,709.92/68,591.72 = 28,485.24/x
3. Step 3: Cross multiply
   49,709.92x = 68,591.72 × 28,485.24
4. Step 4: Simplify right side
   49,709.92x = 1,953,851,606.21
5. Step 5: Solve for x
   x = 1,953,851,606.21/49,709.92
6. Step 6: Final answer
   x = 39,305.06